Finding the Third Proportional to 155,782 and 338,900

Step by Step Solution

1. Step 1: Write the proportion equation
   155,782 : 338,900 = 338,900 : x
2. Step 2: Convert to fraction form
   155,782/338,900 = 338,900/x
3. Step 3: Cross multiply
   155,782x = 338,900 × 338,900
4. Step 4: Simplify right side
   155,782x = 114,853,210,000
5. Step 5: Solve for x
   x = 114,853,210,000/155,782
6. Step 6: Final answer
   x = 737,268.81