Finding the Third Proportional to 155,763 and 338,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,763 : 338,863.50 = 338,863.50 : x
2. Step 2: Convert to fraction form
   155,763/338,863.50 = 338,863.50/x
3. Step 3: Cross multiply
   155,763x = 338,863.50 × 338,863.50
4. Step 4: Simplify right side
   155,763x = 114,828,471,632.25
5. Step 5: Solve for x
   x = 114,828,471,632.25/155,763
6. Step 6: Final answer
   x = 737,199.92