Finding the Third Proportional to 918,540 and 1,378,782

Step by Step Solution

1. Step 1: Write the proportion equation
   918,540 : 1,378,782 = 1,378,782 : x
2. Step 2: Convert to fraction form
   918,540/1,378,782 = 1,378,782/x
3. Step 3: Cross multiply
   918,540x = 1,378,782 × 1,378,782
4. Step 4: Simplify right side
   918,540x = 1,901,039,803,524
5. Step 5: Solve for x
   x = 1,901,039,803,524/918,540
6. Step 6: Final answer
   x = 2,069,632.03