Finding the Third Proportional to 388,567 and 836,182.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,567 : 836,182.50 = 836,182.50 : x
2. Step 2: Convert to fraction form
   388,567/836,182.50 = 836,182.50/x
3. Step 3: Cross multiply
   388,567x = 836,182.50 × 836,182.50
4. Step 4: Simplify right side
   388,567x = 699,201,173,306.25
5. Step 5: Solve for x
   x = 699,201,173,306.25/388,567
6. Step 6: Final answer
   x = 1,799,435.29