Finding the Third Proportional to 158,766.50 and 342,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,766.50 : 342,460.50 = 342,460.50 : x
2. Step 2: Convert to fraction form
   158,766.50/342,460.50 = 342,460.50/x
3. Step 3: Cross multiply
   158,766.50x = 342,460.50 × 342,460.50
4. Step 4: Simplify right side
   158,766.50x = 117,279,194,060.25
5. Step 5: Solve for x
   x = 117,279,194,060.25/158,766.50
6. Step 6: Final answer
   x = 738,689.80