Finding the Third Proportional to 24,307.50 and 39,691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   24,307.50 : 39,691.50 = 39,691.50 : x
2. Step 2: Convert to fraction form
   24,307.50/39,691.50 = 39,691.50/x
3. Step 3: Cross multiply
   24,307.50x = 39,691.50 × 39,691.50
4. Step 4: Simplify right side
   24,307.50x = 1,575,415,172.25
5. Step 5: Solve for x
   x = 1,575,415,172.25/24,307.50
6. Step 6: Final answer
   x = 64,811.90