Finding the Third Proportional to 756,706 and 1,128,498

Step by Step Solution

1. Step 1: Write the proportion equation
   756,706 : 1,128,498 = 1,128,498 : x
2. Step 2: Convert to fraction form
   756,706/1,128,498 = 1,128,498/x
3. Step 3: Cross multiply
   756,706x = 1,128,498 × 1,128,498
4. Step 4: Simplify right side
   756,706x = 1,273,507,736,004
5. Step 5: Solve for x
   x = 1,273,507,736,004/756,706
6. Step 6: Final answer
   x = 1,682,962.39