Finding the Third Proportional to 613,772 and 1,339,108

Step by Step Solution

1. Step 1: Write the proportion equation
   613,772 : 1,339,108 = 1,339,108 : x
2. Step 2: Convert to fraction form
   613,772/1,339,108 = 1,339,108/x
3. Step 3: Cross multiply
   613,772x = 1,339,108 × 1,339,108
4. Step 4: Simplify right side
   613,772x = 1,793,210,235,664
5. Step 5: Solve for x
   x = 1,793,210,235,664/613,772
6. Step 6: Final answer
   x = 2,921,622.75