Finding the Third Proportional to 222,914 and 487,300

Step by Step Solution

1. Step 1: Write the proportion equation
   222,914 : 487,300 = 487,300 : x
2. Step 2: Convert to fraction form
   222,914/487,300 = 487,300/x
3. Step 3: Cross multiply
   222,914x = 487,300 × 487,300
4. Step 4: Simplify right side
   222,914x = 237,461,290,000
5. Step 5: Solve for x
   x = 237,461,290,000/222,914
6. Step 6: Final answer
   x = 1,065,259.65