Finding the Third Proportional to 1,315,260 and 1,782,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,260 : 1,782,372 = 1,782,372 : x
2. Step 2: Convert to fraction form
   1,315,260/1,782,372 = 1,782,372/x
3. Step 3: Cross multiply
   1,315,260x = 1,782,372 × 1,782,372
4. Step 4: Simplify right side
   1,315,260x = 3,176,849,946,384
5. Step 5: Solve for x
   x = 3,176,849,946,384/1,315,260
6. Step 6: Final answer
   x = 2,415,377.91