Finding the Third Proportional to 155,810 and 338,116

Step by Step Solution

1. Step 1: Write the proportion equation
   155,810 : 338,116 = 338,116 : x
2. Step 2: Convert to fraction form
   155,810/338,116 = 338,116/x
3. Step 3: Cross multiply
   155,810x = 338,116 × 338,116
4. Step 4: Simplify right side
   155,810x = 114,322,429,456
5. Step 5: Solve for x
   x = 114,322,429,456/155,810
6. Step 6: Final answer
   x = 733,729.73