Finding the Third Proportional to 231,822 and 488,550

Step by Step Solution

1. Step 1: Write the proportion equation
   231,822 : 488,550 = 488,550 : x
2. Step 2: Convert to fraction form
   231,822/488,550 = 488,550/x
3. Step 3: Cross multiply
   231,822x = 488,550 × 488,550
4. Step 4: Simplify right side
   231,822x = 238,681,102,500
5. Step 5: Solve for x
   x = 238,681,102,500/231,822
6. Step 6: Final answer
   x = 1,029,587.80