Finding the Third Proportional to 2,457,514 and 5,387,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457,514 : 5,387,420 = 5,387,420 : x
2. Step 2: Convert to fraction form
   2,457,514/5,387,420 = 5,387,420/x
3. Step 3: Cross multiply
   2,457,514x = 5,387,420 × 5,387,420
4. Step 4: Simplify right side
   2,457,514x = 29,024,294,256,400
5. Step 5: Solve for x
   x = 29,024,294,256,400/2,457,514
6. Step 6: Final answer
   x = 11,810,428.85