Finding the Third Proportional to 32,596 and 67,640

Step by Step Solution

1. Step 1: Write the proportion equation
   32,596 : 67,640 = 67,640 : x
2. Step 2: Convert to fraction form
   32,596/67,640 = 67,640/x
3. Step 3: Cross multiply
   32,596x = 67,640 × 67,640
4. Step 4: Simplify right side
   32,596x = 4,575,169,600
5. Step 5: Solve for x
   x = 4,575,169,600/32,596
6. Step 6: Final answer
   x = 140,359.85