Finding the Third Proportional to 5,244,786 and 7,915,371

Step by Step Solution

1. Step 1: Write the proportion equation
   5,244,786 : 7,915,371 = 7,915,371 : x
2. Step 2: Convert to fraction form
   5,244,786/7,915,371 = 7,915,371/x
3. Step 3: Cross multiply
   5,244,786x = 7,915,371 × 7,915,371
4. Step 4: Simplify right side
   5,244,786x = 62,653,098,067,641
5. Step 5: Solve for x
   x = 62,653,098,067,641/5,244,786
6. Step 6: Final answer
   x = 11,945,787.31