Finding the Third Proportional to 45,757.50 and 69,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,757.50 : 69,517.50 = 69,517.50 : x
2. Step 2: Convert to fraction form
   45,757.50/69,517.50 = 69,517.50/x
3. Step 3: Cross multiply
   45,757.50x = 69,517.50 × 69,517.50
4. Step 4: Simplify right side
   45,757.50x = 4,832,682,806.25
5. Step 5: Solve for x
   x = 4,832,682,806.25/45,757.50
6. Step 6: Final answer
   x = 105,615.10