Finding the Third Proportional to 369,471 and 799,665

Step by Step Solution

1. Step 1: Write the proportion equation
   369,471 : 799,665 = 799,665 : x
2. Step 2: Convert to fraction form
   369,471/799,665 = 799,665/x
3. Step 3: Cross multiply
   369,471x = 799,665 × 799,665
4. Step 4: Simplify right side
   369,471x = 639,464,112,225
5. Step 5: Solve for x
   x = 639,464,112,225/369,471
6. Step 6: Final answer
   x = 1,730,755.90