Finding the Third Proportional to 231,806 and 488,934

Step by Step Solution

1. Step 1: Write the proportion equation
   231,806 : 488,934 = 488,934 : x
2. Step 2: Convert to fraction form
   231,806/488,934 = 488,934/x
3. Step 3: Cross multiply
   231,806x = 488,934 × 488,934
4. Step 4: Simplify right side
   231,806x = 239,056,456,356
5. Step 5: Solve for x
   x = 239,056,456,356/231,806
6. Step 6: Final answer
   x = 1,031,278.12