Finding the Third Proportional to 222,324 and 487,858

Step by Step Solution

1. Step 1: Write the proportion equation
   222,324 : 487,858 = 487,858 : x
2. Step 2: Convert to fraction form
   222,324/487,858 = 487,858/x
3. Step 3: Cross multiply
   222,324x = 487,858 × 487,858
4. Step 4: Simplify right side
   222,324x = 238,005,428,164
5. Step 5: Solve for x
   x = 238,005,428,164/222,324
6. Step 6: Final answer
   x = 1,070,534.12