Finding the Third Proportional to 412,192 and 868,665

Step by Step Solution

1. Step 1: Write the proportion equation
   412,192 : 868,665 = 868,665 : x
2. Step 2: Convert to fraction form
   412,192/868,665 = 868,665/x
3. Step 3: Cross multiply
   412,192x = 868,665 × 868,665
4. Step 4: Simplify right side
   412,192x = 754,578,882,225
5. Step 5: Solve for x
   x = 754,578,882,225/412,192
6. Step 6: Final answer
   x = 1,830,649.02