Finding the Third Proportional to 911,770 and 1,984,080

Step by Step Solution

1. Step 1: Write the proportion equation
   911,770 : 1,984,080 = 1,984,080 : x
2. Step 2: Convert to fraction form
   911,770/1,984,080 = 1,984,080/x
3. Step 3: Cross multiply
   911,770x = 1,984,080 × 1,984,080
4. Step 4: Simplify right side
   911,770x = 3,936,573,446,400
5. Step 5: Solve for x
   x = 3,936,573,446,400/911,770
6. Step 6: Final answer
   x = 4,317,507.10