Finding the Third Proportional to 155,965.50 and 341,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,965.50 : 341,617.50 = 341,617.50 : x
2. Step 2: Convert to fraction form
   155,965.50/341,617.50 = 341,617.50/x
3. Step 3: Cross multiply
   155,965.50x = 341,617.50 × 341,617.50
4. Step 4: Simplify right side
   155,965.50x = 116,702,516,306.25
5. Step 5: Solve for x
   x = 116,702,516,306.25/155,965.50
6. Step 6: Final answer
   x = 748,258.53