Finding the Third Proportional to 683,838 and 1,488,078

Step by Step Solution

1. Step 1: Write the proportion equation
   683,838 : 1,488,078 = 1,488,078 : x
2. Step 2: Convert to fraction form
   683,838/1,488,078 = 1,488,078/x
3. Step 3: Cross multiply
   683,838x = 1,488,078 × 1,488,078
4. Step 4: Simplify right side
   683,838x = 2,214,376,134,084
5. Step 5: Solve for x
   x = 2,214,376,134,084/683,838
6. Step 6: Final answer
   x = 3,238,158.94