Finding the Third Proportional to 659,640 and 1,412,560

Step by Step Solution

1. Step 1: Write the proportion equation
   659,640 : 1,412,560 = 1,412,560 : x
2. Step 2: Convert to fraction form
   659,640/1,412,560 = 1,412,560/x
3. Step 3: Cross multiply
   659,640x = 1,412,560 × 1,412,560
4. Step 4: Simplify right side
   659,640x = 1,995,325,753,600
5. Step 5: Solve for x
   x = 1,995,325,753,600/659,640
6. Step 6: Final answer
   x = 3,024,870.77