Finding the Third Proportional to 39,517.50 and 70,263.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,517.50 : 70,263.38 = 70,263.38 : x
2. Step 2: Convert to fraction form
   39,517.50/70,263.38 = 70,263.38/x
3. Step 3: Cross multiply
   39,517.50x = 70,263.38 × 70,263.38
4. Step 4: Simplify right side
   39,517.50x = 4,936,941,866.39
5. Step 5: Solve for x
   x = 4,936,941,866.39/39,517.50
6. Step 6: Final answer
   x = 124,930.52