Finding the Third Proportional to 15,691.50 and 34,151.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,691.50 : 34,151.25 = 34,151.25 : x
2. Step 2: Convert to fraction form
   15,691.50/34,151.25 = 34,151.25/x
3. Step 3: Cross multiply
   15,691.50x = 34,151.25 × 34,151.25
4. Step 4: Simplify right side
   15,691.50x = 1,166,307,876.56
5. Step 5: Solve for x
   x = 1,166,307,876.56/15,691.50
6. Step 6: Final answer
   x = 74,327.37