Finding the Third Proportional to 222,134 and 487,498

Step by Step Solution

1. Step 1: Write the proportion equation
   222,134 : 487,498 = 487,498 : x
2. Step 2: Convert to fraction form
   222,134/487,498 = 487,498/x
3. Step 3: Cross multiply
   222,134x = 487,498 × 487,498
4. Step 4: Simplify right side
   222,134x = 237,654,300,004
5. Step 5: Solve for x
   x = 237,654,300,004/222,134
6. Step 6: Final answer
   x = 1,069,869.09