Finding the Third Proportional to 438,916 and 1,025,578

Step by Step Solution

1. Step 1: Write the proportion equation
   438,916 : 1,025,578 = 1,025,578 : x
2. Step 2: Convert to fraction form
   438,916/1,025,578 = 1,025,578/x
3. Step 3: Cross multiply
   438,916x = 1,025,578 × 1,025,578
4. Step 4: Simplify right side
   438,916x = 1,051,810,234,084
5. Step 5: Solve for x
   x = 1,051,810,234,084/438,916
6. Step 6: Final answer
   x = 2,396,381.62