Finding the Third Proportional to 40,869.56 and 89,143.03

Step by Step Solution

1. Step 1: Write the proportion equation
   40,869.56 : 89,143.03 = 89,143.03 : x
2. Step 2: Convert to fraction form
   40,869.56/89,143.03 = 89,143.03/x
3. Step 3: Cross multiply
   40,869.56x = 89,143.03 × 89,143.03
4. Step 4: Simplify right side
   40,869.56x = 7,946,480,020.44
5. Step 5: Solve for x
   x = 7,946,480,020.44/40,869.56
6. Step 6: Final answer
   x = 194,435.16