Finding the Third Proportional to 32,989.50 and 71,109

Step by Step Solution

1. Step 1: Write the proportion equation
   32,989.50 : 71,109 = 71,109 : x
2. Step 2: Convert to fraction form
   32,989.50/71,109 = 71,109/x
3. Step 3: Cross multiply
   32,989.50x = 71,109 × 71,109
4. Step 4: Simplify right side
   32,989.50x = 5,056,489,881
5. Step 5: Solve for x
   x = 5,056,489,881/32,989.50
6. Step 6: Final answer
   x = 153,275.74