Finding the Third Proportional to 613,640 and 1,434,388

Step by Step Solution

1. Step 1: Write the proportion equation
   613,640 : 1,434,388 = 1,434,388 : x
2. Step 2: Convert to fraction form
   613,640/1,434,388 = 1,434,388/x
3. Step 3: Cross multiply
   613,640x = 1,434,388 × 1,434,388
4. Step 4: Simplify right side
   613,640x = 2,057,468,934,544
5. Step 5: Solve for x
   x = 2,057,468,934,544/613,640
6. Step 6: Final answer
   x = 3,352,892.47