Finding the Third Proportional to 799,641 and 1,689,066

Step by Step Solution

1. Step 1: Write the proportion equation
   799,641 : 1,689,066 = 1,689,066 : x
2. Step 2: Convert to fraction form
   799,641/1,689,066 = 1,689,066/x
3. Step 3: Cross multiply
   799,641x = 1,689,066 × 1,689,066
4. Step 4: Simplify right side
   799,641x = 2,852,943,952,356
5. Step 5: Solve for x
   x = 2,852,943,952,356/799,641
6. Step 6: Final answer
   x = 3,567,780.98