Finding the Third Proportional to 316,068 and 447,222

Step by Step Solution

1. Step 1: Write the proportion equation
   316,068 : 447,222 = 447,222 : x
2. Step 2: Convert to fraction form
   316,068/447,222 = 447,222/x
3. Step 3: Cross multiply
   316,068x = 447,222 × 447,222
4. Step 4: Simplify right side
   316,068x = 200,007,517,284
5. Step 5: Solve for x
   x = 200,007,517,284/316,068
6. Step 6: Final answer
   x = 632,799.01