Finding the Third Proportional to 210,468 and 447,222

Step by Step Solution

1. Step 1: Write the proportion equation
   210,468 : 447,222 = 447,222 : x
2. Step 2: Convert to fraction form
   210,468/447,222 = 447,222/x
3. Step 3: Cross multiply
   210,468x = 447,222 × 447,222
4. Step 4: Simplify right side
   210,468x = 200,007,517,284
5. Step 5: Solve for x
   x = 200,007,517,284/210,468
6. Step 6: Final answer
   x = 950,298.94