Finding the Third Proportional to 799,850 and 1,689,628

Step by Step Solution

1. Step 1: Write the proportion equation
   799,850 : 1,689,628 = 1,689,628 : x
2. Step 2: Convert to fraction form
   799,850/1,689,628 = 1,689,628/x
3. Step 3: Cross multiply
   799,850x = 1,689,628 × 1,689,628
4. Step 4: Simplify right side
   799,850x = 2,854,842,778,384
5. Step 5: Solve for x
   x = 2,854,842,778,384/799,850
6. Step 6: Final answer
   x = 3,569,222.70