Finding the Third Proportional to 646,708 and 1,334,931

Step by Step Solution

1. Step 1: Write the proportion equation
   646,708 : 1,334,931 = 1,334,931 : x
2. Step 2: Convert to fraction form
   646,708/1,334,931 = 1,334,931/x
3. Step 3: Cross multiply
   646,708x = 1,334,931 × 1,334,931
4. Step 4: Simplify right side
   646,708x = 1,782,040,774,761
5. Step 5: Solve for x
   x = 1,782,040,774,761/646,708
6. Step 6: Final answer
   x = 2,755,557.03