Finding the Third Proportional to 1,222,416 and 1,868,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,416 : 1,868,760 = 1,868,760 : x
2. Step 2: Convert to fraction form
   1,222,416/1,868,760 = 1,868,760/x
3. Step 3: Cross multiply
   1,222,416x = 1,868,760 × 1,868,760
4. Step 4: Simplify right side
   1,222,416x = 3,492,263,937,600
5. Step 5: Solve for x
   x = 3,492,263,937,600/1,222,416
6. Step 6: Final answer
   x = 2,856,853.92