Finding the Third Proportional to 32,997.75 and 53,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,997.75 : 53,128.50 = 53,128.50 : x
2. Step 2: Convert to fraction form
   32,997.75/53,128.50 = 53,128.50/x
3. Step 3: Cross multiply
   32,997.75x = 53,128.50 × 53,128.50
4. Step 4: Simplify right side
   32,997.75x = 2,822,637,512.25
5. Step 5: Solve for x
   x = 2,822,637,512.25/32,997.75
6. Step 6: Final answer
   x = 85,540.30