Finding the Third Proportional to 2,457,499 and 5,387,393

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457,499 : 5,387,393 = 5,387,393 : x
2. Step 2: Convert to fraction form
   2,457,499/5,387,393 = 5,387,393/x
3. Step 3: Cross multiply
   2,457,499x = 5,387,393 × 5,387,393
4. Step 4: Simplify right side
   2,457,499x = 29,024,003,336,449
5. Step 5: Solve for x
   x = 29,024,003,336,449/2,457,499
6. Step 6: Final answer
   x = 11,810,382.56