Finding the Third Proportional to 71,929.50 and 158,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,929.50 : 158,134.50 = 158,134.50 : x
2. Step 2: Convert to fraction form
   71,929.50/158,134.50 = 158,134.50/x
3. Step 3: Cross multiply
   71,929.50x = 158,134.50 × 158,134.50
4. Step 4: Simplify right side
   71,929.50x = 25,006,520,090.25
5. Step 5: Solve for x
   x = 25,006,520,090.25/71,929.50
6. Step 6: Final answer
   x = 347,653.19