Finding the Third Proportional to 88,657.31 and 133,074.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,657.31 : 133,074.56 = 133,074.56 : x
2. Step 2: Convert to fraction form
   88,657.31/133,074.56 = 133,074.56/x
3. Step 3: Cross multiply
   88,657.31x = 133,074.56 × 133,074.56
4. Step 4: Simplify right side
   88,657.31x = 17,708,839,184.57
5. Step 5: Solve for x
   x = 17,708,839,184.57/88,657.31
6. Step 6: Final answer
   x = 199,744.82