Finding the Third Proportional to 42,870 and 93,670

Step by Step Solution

1. Step 1: Write the proportion equation
   42,870 : 93,670 = 93,670 : x
2. Step 2: Convert to fraction form
   42,870/93,670 = 93,670/x
3. Step 3: Cross multiply
   42,870x = 93,670 × 93,670
4. Step 4: Simplify right side
   42,870x = 8,774,068,900
5. Step 5: Solve for x
   x = 8,774,068,900/42,870
6. Step 6: Final answer
   x = 204,666.87