Finding the Third Proportional to 1,287,448 and 1,947,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,448 : 1,947,738 = 1,947,738 : x
2. Step 2: Convert to fraction form
   1,287,448/1,947,738 = 1,947,738/x
3. Step 3: Cross multiply
   1,287,448x = 1,947,738 × 1,947,738
4. Step 4: Simplify right side
   1,287,448x = 3,793,683,316,644
5. Step 5: Solve for x
   x = 3,793,683,316,644/1,287,448
6. Step 6: Final answer
   x = 2,946,669.16