Finding the Third Proportional to 15,870 and 32,700

Step by Step Solution

1. Step 1: Write the proportion equation
   15,870 : 32,700 = 32,700 : x
2. Step 2: Convert to fraction form
   15,870/32,700 = 32,700/x
3. Step 3: Cross multiply
   15,870x = 32,700 × 32,700
4. Step 4: Simplify right side
   15,870x = 1,069,290,000
5. Step 5: Solve for x
   x = 1,069,290,000/15,870
6. Step 6: Final answer
   x = 67,378.07