Finding the Third Proportional to 67,685 and 148,870

Step by Step Solution

1. Step 1: Write the proportion equation
   67,685 : 148,870 = 148,870 : x
2. Step 2: Convert to fraction form
   67,685/148,870 = 148,870/x
3. Step 3: Cross multiply
   67,685x = 148,870 × 148,870
4. Step 4: Simplify right side
   67,685x = 22,162,276,900
5. Step 5: Solve for x
   x = 22,162,276,900/67,685
6. Step 6: Final answer
   x = 327,432.62