Finding the Third Proportional to 67,207.50 and 91,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,207.50 : 91,561.50 = 91,561.50 : x
2. Step 2: Convert to fraction form
   67,207.50/91,561.50 = 91,561.50/x
3. Step 3: Cross multiply
   67,207.50x = 91,561.50 × 91,561.50
4. Step 4: Simplify right side
   67,207.50x = 8,383,508,282.25
5. Step 5: Solve for x
   x = 8,383,508,282.25/67,207.50
6. Step 6: Final answer
   x = 124,740.67