Finding the Third Proportional to 659,112 and 1,439,040

Step by Step Solution

1. Step 1: Write the proportion equation
   659,112 : 1,439,040 = 1,439,040 : x
2. Step 2: Convert to fraction form
   659,112/1,439,040 = 1,439,040/x
3. Step 3: Cross multiply
   659,112x = 1,439,040 × 1,439,040
4. Step 4: Simplify right side
   659,112x = 2,070,836,121,600
5. Step 5: Solve for x
   x = 2,070,836,121,600/659,112
6. Step 6: Final answer
   x = 3,141,857.71