Finding the Third Proportional to 613,764 and 1,312,816

Step by Step Solution

1. Step 1: Write the proportion equation
   613,764 : 1,312,816 = 1,312,816 : x
2. Step 2: Convert to fraction form
   613,764/1,312,816 = 1,312,816/x
3. Step 3: Cross multiply
   613,764x = 1,312,816 × 1,312,816
4. Step 4: Simplify right side
   613,764x = 1,723,485,849,856
5. Step 5: Solve for x
   x = 1,723,485,849,856/613,764
6. Step 6: Final answer
   x = 2,808,059.53