Finding the Third Proportional to 103,518 and 222,892

Step by Step Solution

1. Step 1: Write the proportion equation
   103,518 : 222,892 = 222,892 : x
2. Step 2: Convert to fraction form
   103,518/222,892 = 222,892/x
3. Step 3: Cross multiply
   103,518x = 222,892 × 222,892
4. Step 4: Simplify right side
   103,518x = 49,680,843,664
5. Step 5: Solve for x
   x = 49,680,843,664/103,518
6. Step 6: Final answer
   x = 479,924.69