Finding the Third Proportional to 103,602 and 222,308

Step by Step Solution

1. Step 1: Write the proportion equation
   103,602 : 222,308 = 222,308 : x
2. Step 2: Convert to fraction form
   103,602/222,308 = 222,308/x
3. Step 3: Cross multiply
   103,602x = 222,308 × 222,308
4. Step 4: Simplify right side
   103,602x = 49,420,846,864
5. Step 5: Solve for x
   x = 49,420,846,864/103,602
6. Step 6: Final answer
   x = 477,025.99