Finding the Third Proportional to 40,921.50 and 85,974

Step by Step Solution

1. Step 1: Write the proportion equation
   40,921.50 : 85,974 = 85,974 : x
2. Step 2: Convert to fraction form
   40,921.50/85,974 = 85,974/x
3. Step 3: Cross multiply
   40,921.50x = 85,974 × 85,974
4. Step 4: Simplify right side
   40,921.50x = 7,391,528,676
5. Step 5: Solve for x
   x = 7,391,528,676/40,921.50
6. Step 6: Final answer
   x = 180,627.02