Finding the Third Proportional to 868,208 and 1,861,016

Step by Step Solution

1. Step 1: Write the proportion equation
   868,208 : 1,861,016 = 1,861,016 : x
2. Step 2: Convert to fraction form
   868,208/1,861,016 = 1,861,016/x
3. Step 3: Cross multiply
   868,208x = 1,861,016 × 1,861,016
4. Step 4: Simplify right side
   868,208x = 3,463,380,552,256
5. Step 5: Solve for x
   x = 3,463,380,552,256/868,208
6. Step 6: Final answer
   x = 3,989,113.84