Finding the Third Proportional to 155,898 and 335,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,898 : 335,839.50 = 335,839.50 : x
2. Step 2: Convert to fraction form
   155,898/335,839.50 = 335,839.50/x
3. Step 3: Cross multiply
   155,898x = 335,839.50 × 335,839.50
4. Step 4: Simplify right side
   155,898x = 112,788,169,760.25
5. Step 5: Solve for x
   x = 112,788,169,760.25/155,898
6. Step 6: Final answer
   x = 723,474.13