Finding the Third Proportional to 613,942 and 1,291,506

Step by Step Solution

1. Step 1: Write the proportion equation
   613,942 : 1,291,506 = 1,291,506 : x
2. Step 2: Convert to fraction form
   613,942/1,291,506 = 1,291,506/x
3. Step 3: Cross multiply
   613,942x = 1,291,506 × 1,291,506
4. Step 4: Simplify right side
   613,942x = 1,667,987,748,036
5. Step 5: Solve for x
   x = 1,667,987,748,036/613,942
6. Step 6: Final answer
   x = 2,716,849.06