Finding the Third Proportional to 2,169,642 and 4,665,816

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169,642 : 4,665,816 = 4,665,816 : x
2. Step 2: Convert to fraction form
   2,169,642/4,665,816 = 4,665,816/x
3. Step 3: Cross multiply
   2,169,642x = 4,665,816 × 4,665,816
4. Step 4: Simplify right side
   2,169,642x = 21,769,838,945,856
5. Step 5: Solve for x
   x = 21,769,838,945,856/2,169,642
6. Step 6: Final answer
   x = 10,033,839.20