Finding the Third Proportional to 613,538 and 1,312,372

Step by Step Solution

1. Step 1: Write the proportion equation
   613,538 : 1,312,372 = 1,312,372 : x
2. Step 2: Convert to fraction form
   613,538/1,312,372 = 1,312,372/x
3. Step 3: Cross multiply
   613,538x = 1,312,372 × 1,312,372
4. Step 4: Simplify right side
   613,538x = 1,722,320,266,384
5. Step 5: Solve for x
   x = 1,722,320,266,384/613,538
6. Step 6: Final answer
   x = 2,807,194.12