Finding the Third Proportional to 1,796,210 and 2,128,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796,210 : 2,128,356 = 2,128,356 : x
2. Step 2: Convert to fraction form
   1,796,210/2,128,356 = 2,128,356/x
3. Step 3: Cross multiply
   1,796,210x = 2,128,356 × 2,128,356
4. Step 4: Simplify right side
   1,796,210x = 4,529,899,262,736
5. Step 5: Solve for x
   x = 4,529,899,262,736/1,796,210
6. Step 6: Final answer
   x = 2,521,920.75