Finding the Third Proportional to 911,768 and 1,984,078

Step by Step Solution

1. Step 1: Write the proportion equation
   911,768 : 1,984,078 = 1,984,078 : x
2. Step 2: Convert to fraction form
   911,768/1,984,078 = 1,984,078/x
3. Step 3: Cross multiply
   911,768x = 1,984,078 × 1,984,078
4. Step 4: Simplify right side
   911,768x = 3,936,565,510,084
5. Step 5: Solve for x
   x = 3,936,565,510,084/911,768
6. Step 6: Final answer
   x = 4,317,507.86