Finding the Third Proportional to 231,830 and 488,982

Step by Step Solution

1. Step 1: Write the proportion equation
   231,830 : 488,982 = 488,982 : x
2. Step 2: Convert to fraction form
   231,830/488,982 = 488,982/x
3. Step 3: Cross multiply
   231,830x = 488,982 × 488,982
4. Step 4: Simplify right side
   231,830x = 239,103,396,324
5. Step 5: Solve for x
   x = 239,103,396,324/231,830
6. Step 6: Final answer
   x = 1,031,373.84