Finding the Third Proportional to 1,287,464 and 1,947,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,464 : 1,947,760 = 1,947,760 : x
2. Step 2: Convert to fraction form
   1,287,464/1,947,760 = 1,947,760/x
3. Step 3: Cross multiply
   1,287,464x = 1,947,760 × 1,947,760
4. Step 4: Simplify right side
   1,287,464x = 3,793,769,017,600
5. Step 5: Solve for x
   x = 3,793,769,017,600/1,287,464
6. Step 6: Final answer
   x = 2,946,699.11