Finding the Third Proportional to 155,446.50 and 340,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,446.50 : 340,525.50 = 340,525.50 : x
2. Step 2: Convert to fraction form
   155,446.50/340,525.50 = 340,525.50/x
3. Step 3: Cross multiply
   155,446.50x = 340,525.50 × 340,525.50
4. Step 4: Simplify right side
   155,446.50x = 115,957,616,150.25
5. Step 5: Solve for x
   x = 115,957,616,150.25/155,446.50
6. Step 6: Final answer
   x = 745,964.79