Finding the Third Proportional to 15,557.88 and 34,139.75

Step by Step Solution

1. Step 1: Write the proportion equation
   15,557.88 : 34,139.75 = 34,139.75 : x
2. Step 2: Convert to fraction form
   15,557.88/34,139.75 = 34,139.75/x
3. Step 3: Cross multiply
   15,557.88x = 34,139.75 × 34,139.75
4. Step 4: Simplify right side
   15,557.88x = 1,165,522,530.06
5. Step 5: Solve for x
   x = 1,165,522,530.06/15,557.88
6. Step 6: Final answer
   x = 74,915.28