Finding the Third Proportional to 72,285 and 112,799.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,285 : 112,799.25 = 112,799.25 : x
2. Step 2: Convert to fraction form
   72,285/112,799.25 = 112,799.25/x
3. Step 3: Cross multiply
   72,285x = 112,799.25 × 112,799.25
4. Step 4: Simplify right side
   72,285x = 12,723,670,800.56
5. Step 5: Solve for x
   x = 12,723,670,800.56/72,285
6. Step 6: Final answer
   x = 176,020.90