Finding the Third Proportional to 8,240,694 and 12,122,826

Step by Step Solution

1. Step 1: Write the proportion equation
   8,240,694 : 12,122,826 = 12,122,826 : x
2. Step 2: Convert to fraction form
   8,240,694/12,122,826 = 12,122,826/x
3. Step 3: Cross multiply
   8,240,694x = 12,122,826 × 12,122,826
4. Step 4: Simplify right side
   8,240,694x = 146,962,910,226,276
5. Step 5: Solve for x
   x = 146,962,910,226,276/8,240,694
6. Step 6: Final answer
   x = 17,833,802.62