Finding the Third Proportional to 1,287,439 and 1,947,725

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,439 : 1,947,725 = 1,947,725 : x
2. Step 2: Convert to fraction form
   1,287,439/1,947,725 = 1,947,725/x
3. Step 3: Cross multiply
   1,287,439x = 1,947,725 × 1,947,725
4. Step 4: Simplify right side
   1,287,439x = 3,793,632,675,625
5. Step 5: Solve for x
   x = 3,793,632,675,625/1,287,439
6. Step 6: Final answer
   x = 2,946,650.42