Finding the Third Proportional to 87,574.50 and 123,930

Step by Step Solution

1. Step 1: Write the proportion equation
   87,574.50 : 123,930 = 123,930 : x
2. Step 2: Convert to fraction form
   87,574.50/123,930 = 123,930/x
3. Step 3: Cross multiply
   87,574.50x = 123,930 × 123,930
4. Step 4: Simplify right side
   87,574.50x = 15,358,644,900
5. Step 5: Solve for x
   x = 15,358,644,900/87,574.50
6. Step 6: Final answer
   x = 175,378.05