Finding the Third Proportional to 2,457,493 and 5,387,379

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457,493 : 5,387,379 = 5,387,379 : x
2. Step 2: Convert to fraction form
   2,457,493/5,387,379 = 5,387,379/x
3. Step 3: Cross multiply
   2,457,493x = 5,387,379 × 5,387,379
4. Step 4: Simplify right side
   2,457,493x = 29,023,852,489,641
5. Step 5: Solve for x
   x = 29,023,852,489,641/2,457,493
6. Step 6: Final answer
   x = 11,810,350.02