Finding the Third Proportional to 1,287,000 and 1,928,016

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,000 : 1,928,016 = 1,928,016 : x
2. Step 2: Convert to fraction form
   1,287,000/1,928,016 = 1,928,016/x
3. Step 3: Cross multiply
   1,287,000x = 1,928,016 × 1,928,016
4. Step 4: Simplify right side
   1,287,000x = 3,717,245,696,256
5. Step 5: Solve for x
   x = 3,717,245,696,256/1,287,000
6. Step 6: Final answer
   x = 2,888,302.79