Finding the Third Proportional to 911,794 and 1,984,128

Step by Step Solution

1. Step 1: Write the proportion equation
   911,794 : 1,984,128 = 1,984,128 : x
2. Step 2: Convert to fraction form
   911,794/1,984,128 = 1,984,128/x
3. Step 3: Cross multiply
   911,794x = 1,984,128 × 1,984,128
4. Step 4: Simplify right side
   911,794x = 3,936,763,920,384
5. Step 5: Solve for x
   x = 3,936,763,920,384/911,794
6. Step 6: Final answer
   x = 4,317,602.35