Finding the Third Proportional to 200,981 and 442,443

Step by Step Solution

1. Step 1: Write the proportion equation
   200,981 : 442,443 = 442,443 : x
2. Step 2: Convert to fraction form
   200,981/442,443 = 442,443/x
3. Step 3: Cross multiply
   200,981x = 442,443 × 442,443
4. Step 4: Simplify right side
   200,981x = 195,755,808,249
5. Step 5: Solve for x
   x = 195,755,808,249/200,981
6. Step 6: Final answer
   x = 974,001.56