Finding the Third Proportional to 820,818 and 1,755,175.50

Step by Step Solution

1. Step 1: Write the proportion equation
   820,818 : 1,755,175.50 = 1,755,175.50 : x
2. Step 2: Convert to fraction form
   820,818/1,755,175.50 = 1,755,175.50/x
3. Step 3: Cross multiply
   820,818x = 1,755,175.50 × 1,755,175.50
4. Step 4: Simplify right side
   820,818x = 3,080,641,035,800.25
5. Step 5: Solve for x
   x = 3,080,641,035,800.25/820,818
6. Step 6: Final answer
   x = 3,753,135.33