Finding the Third Proportional to 2,572,436 and 5,587,720

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,436 : 5,587,720 = 5,587,720 : x
2. Step 2: Convert to fraction form
   2,572,436/5,587,720 = 5,587,720/x
3. Step 3: Cross multiply
   2,572,436x = 5,587,720 × 5,587,720
4. Step 4: Simplify right side
   2,572,436x = 31,222,614,798,400
5. Step 5: Solve for x
   x = 31,222,614,798,400/2,572,436
6. Step 6: Final answer
   x = 12,137,372.82