Finding the Third Proportional to 15,860.50 and 34,545.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,860.50 : 34,545.50 = 34,545.50 : x
2. Step 2: Convert to fraction form
   15,860.50/34,545.50 = 34,545.50/x
3. Step 3: Cross multiply
   15,860.50x = 34,545.50 × 34,545.50
4. Step 4: Simplify right side
   15,860.50x = 1,193,391,570.25
5. Step 5: Solve for x
   x = 1,193,391,570.25/15,860.50
6. Step 6: Final answer
   x = 75,243.00