Finding the Third Proportional to 67,836.25 and 99,721.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,836.25 : 99,721.88 = 99,721.88 : x
2. Step 2: Convert to fraction form
   67,836.25/99,721.88 = 99,721.88/x
3. Step 3: Cross multiply
   67,836.25x = 99,721.88 × 99,721.88
4. Step 4: Simplify right side
   67,836.25x = 9,944,452,353.52
5. Step 5: Solve for x
   x = 9,944,452,353.52/67,836.25
6. Step 6: Final answer
   x = 146,594.96