Finding the Third Proportional to 87,286.50 and 133,470

Step by Step Solution

1. Step 1: Write the proportion equation
   87,286.50 : 133,470 = 133,470 : x
2. Step 2: Convert to fraction form
   87,286.50/133,470 = 133,470/x
3. Step 3: Cross multiply
   87,286.50x = 133,470 × 133,470
4. Step 4: Simplify right side
   87,286.50x = 17,814,240,900
5. Step 5: Solve for x
   x = 17,814,240,900/87,286.50
6. Step 6: Final answer
   x = 204,089.30