Finding the Third Proportional to 38,512.13 and 57,616.31

Step by Step Solution

1. Step 1: Write the proportion equation
   38,512.13 : 57,616.31 = 57,616.31 : x
2. Step 2: Convert to fraction form
   38,512.13/57,616.31 = 57,616.31/x
3. Step 3: Cross multiply
   38,512.13x = 57,616.31 × 57,616.31
4. Step 4: Simplify right side
   38,512.13x = 3,319,639,466.10
5. Step 5: Solve for x
   x = 3,319,639,466.10/38,512.13
6. Step 6: Final answer
   x = 86,197.26