Finding the Third Proportional to 36,545.31 and 78,730.25

Step by Step Solution

1. Step 1: Write the proportion equation
   36,545.31 : 78,730.25 = 78,730.25 : x
2. Step 2: Convert to fraction form
   36,545.31/78,730.25 = 78,730.25/x
3. Step 3: Cross multiply
   36,545.31x = 78,730.25 × 78,730.25
4. Step 4: Simplify right side
   36,545.31x = 6,198,452,265.06
5. Step 5: Solve for x
   x = 6,198,452,265.06/36,545.31
6. Step 6: Final answer
   x = 169,610.05