Finding the Third Proportional to 501,768 and 1,213,578

Step by Step Solution

1. Step 1: Write the proportion equation
   501,768 : 1,213,578 = 1,213,578 : x
2. Step 2: Convert to fraction form
   501,768/1,213,578 = 1,213,578/x
3. Step 3: Cross multiply
   501,768x = 1,213,578 × 1,213,578
4. Step 4: Simplify right side
   501,768x = 1,472,771,562,084
5. Step 5: Solve for x
   x = 1,472,771,562,084/501,768
6. Step 6: Final answer
   x = 2,935,164.38