Finding the Third Proportional to 38,940 and 58,670

Step by Step Solution

1. Step 1: Write the proportion equation
   38,940 : 58,670 = 58,670 : x
2. Step 2: Convert to fraction form
   38,940/58,670 = 58,670/x
3. Step 3: Cross multiply
   38,940x = 58,670 × 58,670
4. Step 4: Simplify right side
   38,940x = 3,442,168,900
5. Step 5: Solve for x
   x = 3,442,168,900/38,940
6. Step 6: Final answer
   x = 88,396.74