Finding the Third Proportional to 2,457,516 and 5,387,436

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457,516 : 5,387,436 = 5,387,436 : x
2. Step 2: Convert to fraction form
   2,457,516/5,387,436 = 5,387,436/x
3. Step 3: Cross multiply
   2,457,516x = 5,387,436 × 5,387,436
4. Step 4: Simplify right side
   2,457,516x = 29,024,466,654,096
5. Step 5: Solve for x
   x = 29,024,466,654,096/2,457,516
6. Step 6: Final answer
   x = 11,810,489.39