Finding the Third Proportional to 71,442.42 and 155,196.84

Step by Step Solution

1. Step 1: Write the proportion equation
   71,442.42 : 155,196.84 = 155,196.84 : x
2. Step 2: Convert to fraction form
   71,442.42/155,196.84 = 155,196.84/x
3. Step 3: Cross multiply
   71,442.42x = 155,196.84 × 155,196.84
4. Step 4: Simplify right side
   71,442.42x = 24,086,060,309.96
5. Step 5: Solve for x
   x = 24,086,060,309.96/71,442.42
6. Step 6: Final answer
   x = 337,139.47