Finding the Third Proportional to 71,086.50 and 153,558

Step by Step Solution

1. Step 1: Write the proportion equation
   71,086.50 : 153,558 = 153,558 : x
2. Step 2: Convert to fraction form
   71,086.50/153,558 = 153,558/x
3. Step 3: Cross multiply
   71,086.50x = 153,558 × 153,558
4. Step 4: Simplify right side
   71,086.50x = 23,580,059,364
5. Step 5: Solve for x
   x = 23,580,059,364/71,086.50
6. Step 6: Final answer
   x = 331,709.39