Finding the Third Proportional to 231,770 and 488,448

Step by Step Solution

1. Step 1: Write the proportion equation
   231,770 : 488,448 = 488,448 : x
2. Step 2: Convert to fraction form
   231,770/488,448 = 488,448/x
3. Step 3: Cross multiply
   231,770x = 488,448 × 488,448
4. Step 4: Simplify right side
   231,770x = 238,581,448,704
5. Step 5: Solve for x
   x = 238,581,448,704/231,770
6. Step 6: Final answer
   x = 1,029,388.83