Finding the Third Proportional to 73,892.25 and 108,218.25

Step by Step Solution

1. Step 1: Write the proportion equation
   73,892.25 : 108,218.25 = 108,218.25 : x
2. Step 2: Convert to fraction form
   73,892.25/108,218.25 = 108,218.25/x
3. Step 3: Cross multiply
   73,892.25x = 108,218.25 × 108,218.25
4. Step 4: Simplify right side
   73,892.25x = 11,711,189,633.06
5. Step 5: Solve for x
   x = 11,711,189,633.06/73,892.25
6. Step 6: Final answer
   x = 158,490.09