Finding the Third Proportional to 2,457,497 and 5,387,389

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457,497 : 5,387,389 = 5,387,389 : x
2. Step 2: Convert to fraction form
   2,457,497/5,387,389 = 5,387,389/x
3. Step 3: Cross multiply
   2,457,497x = 5,387,389 × 5,387,389
4. Step 4: Simplify right side
   2,457,497x = 29,023,960,237,321
5. Step 5: Solve for x
   x = 29,023,960,237,321/2,457,497
6. Step 6: Final answer
   x = 11,810,374.64