Finding the Third Proportional to 1,287,437 and 1,947,722

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,437 : 1,947,722 = 1,947,722 : x
2. Step 2: Convert to fraction form
   1,287,437/1,947,722 = 1,947,722/x
3. Step 3: Cross multiply
   1,287,437x = 1,947,722 × 1,947,722
4. Step 4: Simplify right side
   1,287,437x = 3,793,620,989,284
5. Step 5: Solve for x
   x = 3,793,620,989,284/1,287,437
6. Step 6: Final answer
   x = 2,946,645.92