Finding the Third Proportional to 851,782 and 1,728,594

Step by Step Solution

1. Step 1: Write the proportion equation
   851,782 : 1,728,594 = 1,728,594 : x
2. Step 2: Convert to fraction form
   851,782/1,728,594 = 1,728,594/x
3. Step 3: Cross multiply
   851,782x = 1,728,594 × 1,728,594
4. Step 4: Simplify right side
   851,782x = 2,988,037,216,836
5. Step 5: Solve for x
   x = 2,988,037,216,836/851,782
6. Step 6: Final answer
   x = 3,507,983.52