Finding the Third Proportional to 32,280 and 69,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,280 : 69,919.50 = 69,919.50 : x
2. Step 2: Convert to fraction form
   32,280/69,919.50 = 69,919.50/x
3. Step 3: Cross multiply
   32,280x = 69,919.50 × 69,919.50
4. Step 4: Simplify right side
   32,280x = 4,888,736,480.25
5. Step 5: Solve for x
   x = 4,888,736,480.25/32,280
6. Step 6: Final answer
   x = 151,447.85