Finding the Third Proportional to 800,613 and 1,758,690

Step by Step Solution

1. Step 1: Write the proportion equation
   800,613 : 1,758,690 = 1,758,690 : x
2. Step 2: Convert to fraction form
   800,613/1,758,690 = 1,758,690/x
3. Step 3: Cross multiply
   800,613x = 1,758,690 × 1,758,690
4. Step 4: Simplify right side
   800,613x = 3,092,990,516,100
5. Step 5: Solve for x
   x = 3,092,990,516,100/800,613
6. Step 6: Final answer
   x = 3,863,277.91