Finding the Third Proportional to 590,856 and 1,288,650

Step by Step Solution

1. Step 1: Write the proportion equation
   590,856 : 1,288,650 = 1,288,650 : x
2. Step 2: Convert to fraction form
   590,856/1,288,650 = 1,288,650/x
3. Step 3: Cross multiply
   590,856x = 1,288,650 × 1,288,650
4. Step 4: Simplify right side
   590,856x = 1,660,618,822,500
5. Step 5: Solve for x
   x = 1,660,618,822,500/590,856
6. Step 6: Final answer
   x = 2,810,530.52