Finding the Third Proportional to 388,902 and 838,500

Step by Step Solution

1. Step 1: Write the proportion equation
   388,902 : 838,500 = 838,500 : x
2. Step 2: Convert to fraction form
   388,902/838,500 = 838,500/x
3. Step 3: Cross multiply
   388,902x = 838,500 × 838,500
4. Step 4: Simplify right side
   388,902x = 703,082,250,000
5. Step 5: Solve for x
   x = 703,082,250,000/388,902
6. Step 6: Final answer
   x = 1,807,864.83