Finding the Third Proportional to 108,522 and 222,322

Step by Step Solution

1. Step 1: Write the proportion equation
   108,522 : 222,322 = 222,322 : x
2. Step 2: Convert to fraction form
   108,522/222,322 = 222,322/x
3. Step 3: Cross multiply
   108,522x = 222,322 × 222,322
4. Step 4: Simplify right side
   108,522x = 49,427,071,684
5. Step 5: Solve for x
   x = 49,427,071,684/108,522
6. Step 6: Final answer
   x = 455,456.70