Finding the Third Proportional to 2,116,730 and 3,179,864

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,730 : 3,179,864 = 3,179,864 : x
2. Step 2: Convert to fraction form
   2,116,730/3,179,864 = 3,179,864/x
3. Step 3: Cross multiply
   2,116,730x = 3,179,864 × 3,179,864
4. Step 4: Simplify right side
   2,116,730x = 10,111,535,058,496
5. Step 5: Solve for x
   x = 10,111,535,058,496/2,116,730
6. Step 6: Final answer
   x = 4,776,960.24