Finding the Third Proportional to 2,572,418 and 5,587,684

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,418 : 5,587,684 = 5,587,684 : x
2. Step 2: Convert to fraction form
   2,572,418/5,587,684 = 5,587,684/x
3. Step 3: Cross multiply
   2,572,418x = 5,587,684 × 5,587,684
4. Step 4: Simplify right side
   2,572,418x = 31,222,212,483,856
5. Step 5: Solve for x
   x = 31,222,212,483,856/2,572,418
6. Step 6: Final answer
   x = 12,137,301.36