Finding the Third Proportional to 222,384 and 486,300

Step by Step Solution

1. Step 1: Write the proportion equation
   222,384 : 486,300 = 486,300 : x
2. Step 2: Convert to fraction form
   222,384/486,300 = 486,300/x
3. Step 3: Cross multiply
   222,384x = 486,300 × 486,300
4. Step 4: Simplify right side
   222,384x = 236,487,690,000
5. Step 5: Solve for x
   x = 236,487,690,000/222,384
6. Step 6: Final answer
   x = 1,063,420.43