Finding the Third Proportional to 32,747 and 66,870

Step by Step Solution

1. Step 1: Write the proportion equation
   32,747 : 66,870 = 66,870 : x
2. Step 2: Convert to fraction form
   32,747/66,870 = 66,870/x
3. Step 3: Cross multiply
   32,747x = 66,870 × 66,870
4. Step 4: Simplify right side
   32,747x = 4,471,596,900
5. Step 5: Solve for x
   x = 4,471,596,900/32,747
6. Step 6: Final answer
   x = 136,549.82