Finding the Third Proportional to 779,801 and 1,142,665

Step by Step Solution

1. Step 1: Write the proportion equation
   779,801 : 1,142,665 = 1,142,665 : x
2. Step 2: Convert to fraction form
   779,801/1,142,665 = 1,142,665/x
3. Step 3: Cross multiply
   779,801x = 1,142,665 × 1,142,665
4. Step 4: Simplify right side
   779,801x = 1,305,683,302,225
5. Step 5: Solve for x
   x = 1,305,683,302,225/779,801
6. Step 6: Final answer
   x = 1,674,380.13