Finding the Third Proportional to 103,672 and 222,448

Step by Step Solution

1. Step 1: Write the proportion equation
   103,672 : 222,448 = 222,448 : x
2. Step 2: Convert to fraction form
   103,672/222,448 = 222,448/x
3. Step 3: Cross multiply
   103,672x = 222,448 × 222,448
4. Step 4: Simplify right side
   103,672x = 49,483,112,704
5. Step 5: Solve for x
   x = 49,483,112,704/103,672
6. Step 6: Final answer
   x = 477,304.51