Finding the Third Proportional to 2,100,100 and 3,105,870

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100,100 : 3,105,870 = 3,105,870 : x
2. Step 2: Convert to fraction form
   2,100,100/3,105,870 = 3,105,870/x
3. Step 3: Cross multiply
   2,100,100x = 3,105,870 × 3,105,870
4. Step 4: Simplify right side
   2,100,100x = 9,646,428,456,900
5. Step 5: Solve for x
   x = 9,646,428,456,900/2,100,100
6. Step 6: Final answer
   x = 4,593,318.63