Finding the Third Proportional to 231,862 and 488,630

Step by Step Solution

1. Step 1: Write the proportion equation
   231,862 : 488,630 = 488,630 : x
2. Step 2: Convert to fraction form
   231,862/488,630 = 488,630/x
3. Step 3: Cross multiply
   231,862x = 488,630 × 488,630
4. Step 4: Simplify right side
   231,862x = 238,759,276,900
5. Step 5: Solve for x
   x = 238,759,276,900/231,862
6. Step 6: Final answer
   x = 1,029,747.34