Finding the Third Proportional to 338,927 and 722,890

Step by Step Solution

1. Step 1: Write the proportion equation
   338,927 : 722,890 = 722,890 : x
2. Step 2: Convert to fraction form
   338,927/722,890 = 722,890/x
3. Step 3: Cross multiply
   338,927x = 722,890 × 722,890
4. Step 4: Simplify right side
   338,927x = 522,569,952,100
5. Step 5: Solve for x
   x = 522,569,952,100/338,927
6. Step 6: Final answer
   x = 1,541,836.30