Finding the Third Proportional to 12,922,486 and 28,192,172

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922,486 : 28,192,172 = 28,192,172 : x
2. Step 2: Convert to fraction form
   12,922,486/28,192,172 = 28,192,172/x
3. Step 3: Cross multiply
   12,922,486x = 28,192,172 × 28,192,172
4. Step 4: Simplify right side
   12,922,486x = 794,798,562,077,584
5. Step 5: Solve for x
   x = 794,798,562,077,584/12,922,486
6. Step 6: Final answer
   x = 61,505,082.08