Finding the Third Proportional to 15,577.31 and 34,268.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,577.31 : 34,268.38 = 34,268.38 : x
2. Step 2: Convert to fraction form
   15,577.31/34,268.38 = 34,268.38/x
3. Step 3: Cross multiply
   15,577.31x = 34,268.38 × 34,268.38
4. Step 4: Simplify right side
   15,577.31x = 1,174,321,792.86
5. Step 5: Solve for x
   x = 1,174,321,792.86/15,577.31
6. Step 6: Final answer
   x = 75,386.67