Finding the Third Proportional to 32,700 and 71,620

Step by Step Solution

1. Step 1: Write the proportion equation
   32,700 : 71,620 = 71,620 : x
2. Step 2: Convert to fraction form
   32,700/71,620 = 71,620/x
3. Step 3: Cross multiply
   32,700x = 71,620 × 71,620
4. Step 4: Simplify right side
   32,700x = 5,129,424,400
5. Step 5: Solve for x
   x = 5,129,424,400/32,700
6. Step 6: Final answer
   x = 156,863.13