Finding the Third Proportional to 817,886 and 1,676,569

Step by Step Solution

1. Step 1: Write the proportion equation
   817,886 : 1,676,569 = 1,676,569 : x
2. Step 2: Convert to fraction form
   817,886/1,676,569 = 1,676,569/x
3. Step 3: Cross multiply
   817,886x = 1,676,569 × 1,676,569
4. Step 4: Simplify right side
   817,886x = 2,810,883,611,761
5. Step 5: Solve for x
   x = 2,810,883,611,761/817,886
6. Step 6: Final answer
   x = 3,436,767.00