Finding the Third Proportional to 686,874 and 1,050,708

Step by Step Solution

1. Step 1: Write the proportion equation
   686,874 : 1,050,708 = 1,050,708 : x
2. Step 2: Convert to fraction form
   686,874/1,050,708 = 1,050,708/x
3. Step 3: Cross multiply
   686,874x = 1,050,708 × 1,050,708
4. Step 4: Simplify right side
   686,874x = 1,103,987,301,264
5. Step 5: Solve for x
   x = 1,103,987,301,264/686,874
6. Step 6: Final answer
   x = 1,607,263.20