Finding the Third Proportional to 40,372.17 and 85,114.55

Step by Step Solution

1. Step 1: Write the proportion equation
   40,372.17 : 85,114.55 = 85,114.55 : x
2. Step 2: Convert to fraction form
   40,372.17/85,114.55 = 85,114.55/x
3. Step 3: Cross multiply
   40,372.17x = 85,114.55 × 85,114.55
4. Step 4: Simplify right side
   40,372.17x = 7,244,486,089.74
5. Step 5: Solve for x
   x = 7,244,486,089.74/40,372.17
6. Step 6: Final answer
   x = 179,442.57