Finding the Third Proportional to 1,111,240 and 1,659,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,240 : 1,659,540 = 1,659,540 : x
2. Step 2: Convert to fraction form
   1,111,240/1,659,540 = 1,659,540/x
3. Step 3: Cross multiply
   1,111,240x = 1,659,540 × 1,659,540
4. Step 4: Simplify right side
   1,111,240x = 2,754,073,011,600
5. Step 5: Solve for x
   x = 2,754,073,011,600/1,111,240
6. Step 6: Final answer
   x = 2,478,378.22