Finding the Third Proportional to 1,287,114 and 1,928,187

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,114 : 1,928,187 = 1,928,187 : x
2. Step 2: Convert to fraction form
   1,287,114/1,928,187 = 1,928,187/x
3. Step 3: Cross multiply
   1,287,114x = 1,928,187 × 1,928,187
4. Step 4: Simplify right side
   1,287,114x = 3,717,905,106,969
5. Step 5: Solve for x
   x = 3,717,905,106,969/1,287,114
6. Step 6: Final answer
   x = 2,888,559.29