Finding the Third Proportional to 231,840 and 488,592

Step by Step Solution

1. Step 1: Write the proportion equation
   231,840 : 488,592 = 488,592 : x
2. Step 2: Convert to fraction form
   231,840/488,592 = 488,592/x
3. Step 3: Cross multiply
   231,840x = 488,592 × 488,592
4. Step 4: Simplify right side
   231,840x = 238,722,142,464
5. Step 5: Solve for x
   x = 238,722,142,464/231,840
6. Step 6: Final answer
   x = 1,029,684.88