Finding the Third Proportional to 103,931 and 222,078

Step by Step Solution

1. Step 1: Write the proportion equation
   103,931 : 222,078 = 222,078 : x
2. Step 2: Convert to fraction form
   103,931/222,078 = 222,078/x
3. Step 3: Cross multiply
   103,931x = 222,078 × 222,078
4. Step 4: Simplify right side
   103,931x = 49,318,638,084
5. Step 5: Solve for x
   x = 49,318,638,084/103,931
6. Step 6: Final answer
   x = 474,532.51