Finding the Third Proportional to 911,808 and 1,984,157

Step by Step Solution

1. Step 1: Write the proportion equation
   911,808 : 1,984,157 = 1,984,157 : x
2. Step 2: Convert to fraction form
   911,808/1,984,157 = 1,984,157/x
3. Step 3: Cross multiply
   911,808x = 1,984,157 × 1,984,157
4. Step 4: Simplify right side
   911,808x = 3,936,879,000,649
5. Step 5: Solve for x
   x = 3,936,879,000,649/911,808
6. Step 6: Final answer
   x = 4,317,662.27