Finding the Fourth Proportional to 12,752,414,496,826, 19,128,621,745,238 and 12,752,414,496,826

Step by Step Solution

1. Step 1: Write the proportion equation
   12,752,414,496,826 : 19,128,621,745,238 = 12,752,414,496,826 : x
2. Step 2: Convert to fraction form
   12,752,414,496,826/19,128,621,745,238 = 12,752,414,496,826/x
3. Step 3: Cross multiply
   12,752,414,496,826x = 19,128,621,745,238 × 12,752,414,496,826
4. Step 4: Simplify right side
   12,752,414,496,826x = 243,936,113,248,274,146,429,763,584
5. Step 5: Solve for x
   x = 243,936,113,248,274,146,429,763,584/12,752,414,496,826
6. Step 6: Final answer
   x = 19,128,621,745,238