Finding the Third Proportional to 32,280 and 70,400

Step by Step Solution

1. Step 1: Write the proportion equation
   32,280 : 70,400 = 70,400 : x
2. Step 2: Convert to fraction form
   32,280/70,400 = 70,400/x
3. Step 3: Cross multiply
   32,280x = 70,400 × 70,400
4. Step 4: Simplify right side
   32,280x = 4,956,160,000
5. Step 5: Solve for x
   x = 4,956,160,000/32,280
6. Step 6: Final answer
   x = 153,536.56