Finding the Third Proportional to 780,832 and 1,629,440

Step by Step Solution

1. Step 1: Write the proportion equation
   780,832 : 1,629,440 = 1,629,440 : x
2. Step 2: Convert to fraction form
   780,832/1,629,440 = 1,629,440/x
3. Step 3: Cross multiply
   780,832x = 1,629,440 × 1,629,440
4. Step 4: Simplify right side
   780,832x = 2,655,074,713,600
5. Step 5: Solve for x
   x = 2,655,074,713,600/780,832
6. Step 6: Final answer
   x = 3,400,314.94