Finding the Third Proportional to 2,457,494 and 5,387,380

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457,494 : 5,387,380 = 5,387,380 : x
2. Step 2: Convert to fraction form
   2,457,494/5,387,380 = 5,387,380/x
3. Step 3: Cross multiply
   2,457,494x = 5,387,380 × 5,387,380
4. Step 4: Simplify right side
   2,457,494x = 29,023,863,264,400
5. Step 5: Solve for x
   x = 29,023,863,264,400/2,457,494
6. Step 6: Final answer
   x = 11,810,349.59