Finding the Third Proportional to 911,772 and 1,984,089

Step by Step Solution

1. Step 1: Write the proportion equation
   911,772 : 1,984,089 = 1,984,089 : x
2. Step 2: Convert to fraction form
   911,772/1,984,089 = 1,984,089/x
3. Step 3: Cross multiply
   911,772x = 1,984,089 × 1,984,089
4. Step 4: Simplify right side
   911,772x = 3,936,609,159,921
5. Step 5: Solve for x
   x = 3,936,609,159,921/911,772
6. Step 6: Final answer
   x = 4,317,536.80