Finding the Third Proportional to 231,788 and 488,484

Step by Step Solution

1. Step 1: Write the proportion equation
   231,788 : 488,484 = 488,484 : x
2. Step 2: Convert to fraction form
   231,788/488,484 = 488,484/x
3. Step 3: Cross multiply
   231,788x = 488,484 × 488,484
4. Step 4: Simplify right side
   231,788x = 238,616,618,256
5. Step 5: Solve for x
   x = 238,616,618,256/231,788
6. Step 6: Final answer
   x = 1,029,460.62