Finding the Third Proportional to 15,605.16 and 34,126.31

Step by Step Solution

1. Step 1: Write the proportion equation
   15,605.16 : 34,126.31 = 34,126.31 : x
2. Step 2: Convert to fraction form
   15,605.16/34,126.31 = 34,126.31/x
3. Step 3: Cross multiply
   15,605.16x = 34,126.31 × 34,126.31
4. Step 4: Simplify right side
   15,605.16x = 1,164,605,204.85
5. Step 5: Solve for x
   x = 1,164,605,204.85/15,605.16
6. Step 6: Final answer
   x = 74,629.51