Finding the Third Proportional to 388,566 and 836,179.88

Step by Step Solution

1. Step 1: Write the proportion equation
   388,566 : 836,179.88 = 836,179.88 : x
2. Step 2: Convert to fraction form
   388,566/836,179.88 = 836,179.88/x
3. Step 3: Cross multiply
   388,566x = 836,179.88 × 836,179.88
4. Step 4: Simplify right side
   388,566x = 699,196,783,355.02
5. Step 5: Solve for x
   x = 699,196,783,355.02/388,566
6. Step 6: Final answer
   x = 1,799,428.63