Finding the Third Proportional to 2,117,640 and 3,196,206

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,640 : 3,196,206 = 3,196,206 : x
2. Step 2: Convert to fraction form
   2,117,640/3,196,206 = 3,196,206/x
3. Step 3: Cross multiply
   2,117,640x = 3,196,206 × 3,196,206
4. Step 4: Simplify right side
   2,117,640x = 10,215,732,794,436
5. Step 5: Solve for x
   x = 10,215,732,794,436/2,117,640
6. Step 6: Final answer
   x = 4,824,112.12