Finding the Third Proportional to 66,952.50 and 91,806.75

Step by Step Solution

1. Step 1: Write the proportion equation
   66,952.50 : 91,806.75 = 91,806.75 : x
2. Step 2: Convert to fraction form
   66,952.50/91,806.75 = 91,806.75/x
3. Step 3: Cross multiply
   66,952.50x = 91,806.75 × 91,806.75
4. Step 4: Simplify right side
   66,952.50x = 8,428,479,345.56
5. Step 5: Solve for x
   x = 8,428,479,345.56/66,952.50
6. Step 6: Final answer
   x = 125,887.45