Finding the Third Proportional to 659,260 and 1,399,448

Step by Step Solution

1. Step 1: Write the proportion equation
   659,260 : 1,399,448 = 1,399,448 : x
2. Step 2: Convert to fraction form
   659,260/1,399,448 = 1,399,448/x
3. Step 3: Cross multiply
   659,260x = 1,399,448 × 1,399,448
4. Step 4: Simplify right side
   659,260x = 1,958,454,704,704
5. Step 5: Solve for x
   x = 1,958,454,704,704/659,260
6. Step 6: Final answer
   x = 2,970,686.38