Finding the Third Proportional to 89,023.50 and 118,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,023.50 : 118,921.50 = 118,921.50 : x
2. Step 2: Convert to fraction form
   89,023.50/118,921.50 = 118,921.50/x
3. Step 3: Cross multiply
   89,023.50x = 118,921.50 × 118,921.50
4. Step 4: Simplify right side
   89,023.50x = 14,142,323,162.25
5. Step 5: Solve for x
   x = 14,142,323,162.25/89,023.50
6. Step 6: Final answer
   x = 158,860.56