Finding the Third Proportional to 32,909.50 and 71,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,909.50 : 71,072.50 = 71,072.50 : x
2. Step 2: Convert to fraction form
   32,909.50/71,072.50 = 71,072.50/x
3. Step 3: Cross multiply
   32,909.50x = 71,072.50 × 71,072.50
4. Step 4: Simplify right side
   32,909.50x = 5,051,300,256.25
5. Step 5: Solve for x
   x = 5,051,300,256.25/32,909.50
6. Step 6: Final answer
   x = 153,490.64