Finding the Third Proportional to 610,872 and 1,263,648

Step by Step Solution

1. Step 1: Write the proportion equation
   610,872 : 1,263,648 = 1,263,648 : x
2. Step 2: Convert to fraction form
   610,872/1,263,648 = 1,263,648/x
3. Step 3: Cross multiply
   610,872x = 1,263,648 × 1,263,648
4. Step 4: Simplify right side
   610,872x = 1,596,806,267,904
5. Step 5: Solve for x
   x = 1,596,806,267,904/610,872
6. Step 6: Final answer
   x = 2,613,978.49