Finding the Third Proportional to 208,148 and 447,870

Step by Step Solution

1. Step 1: Write the proportion equation
   208,148 : 447,870 = 447,870 : x
2. Step 2: Convert to fraction form
   208,148/447,870 = 447,870/x
3. Step 3: Cross multiply
   208,148x = 447,870 × 447,870
4. Step 4: Simplify right side
   208,148x = 200,587,536,900
5. Step 5: Solve for x
   x = 200,587,536,900/208,148
6. Step 6: Final answer
   x = 963,677.46