Finding the Third Proportional to 868,607 and 1,253,082

Step by Step Solution

1. Step 1: Write the proportion equation
   868,607 : 1,253,082 = 1,253,082 : x
2. Step 2: Convert to fraction form
   868,607/1,253,082 = 1,253,082/x
3. Step 3: Cross multiply
   868,607x = 1,253,082 × 1,253,082
4. Step 4: Simplify right side
   868,607x = 1,570,214,498,724
5. Step 5: Solve for x
   x = 1,570,214,498,724/868,607
6. Step 6: Final answer
   x = 1,807,738.71