Finding the Third Proportional to 637,116 and 1,368,684

Step by Step Solution

1. Step 1: Write the proportion equation
   637,116 : 1,368,684 = 1,368,684 : x
2. Step 2: Convert to fraction form
   637,116/1,368,684 = 1,368,684/x
3. Step 3: Cross multiply
   637,116x = 1,368,684 × 1,368,684
4. Step 4: Simplify right side
   637,116x = 1,873,295,891,856
5. Step 5: Solve for x
   x = 1,873,295,891,856/637,116
6. Step 6: Final answer
   x = 2,940,274.44