Finding the Third Proportional to 69,610.50 and 108,573.75

Step by Step Solution

1. Step 1: Write the proportion equation
   69,610.50 : 108,573.75 = 108,573.75 : x
2. Step 2: Convert to fraction form
   69,610.50/108,573.75 = 108,573.75/x
3. Step 3: Cross multiply
   69,610.50x = 108,573.75 × 108,573.75
4. Step 4: Simplify right side
   69,610.50x = 11,788,259,189.06
5. Step 5: Solve for x
   x = 11,788,259,189.06/69,610.50
6. Step 6: Final answer
   x = 169,345.99