Finding the Third Proportional to 613,551 and 1,312,386

Step by Step Solution

1. Step 1: Write the proportion equation
   613,551 : 1,312,386 = 1,312,386 : x
2. Step 2: Convert to fraction form
   613,551/1,312,386 = 1,312,386/x
3. Step 3: Cross multiply
   613,551x = 1,312,386 × 1,312,386
4. Step 4: Simplify right side
   613,551x = 1,722,357,012,996
5. Step 5: Solve for x
   x = 1,722,357,012,996/613,551
6. Step 6: Final answer
   x = 2,807,194.53