Finding the Third Proportional to 2,018,732 and 4,429,816

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,732 : 4,429,816 = 4,429,816 : x
2. Step 2: Convert to fraction form
   2,018,732/4,429,816 = 4,429,816/x
3. Step 3: Cross multiply
   2,018,732x = 4,429,816 × 4,429,816
4. Step 4: Simplify right side
   2,018,732x = 19,623,269,793,856
5. Step 5: Solve for x
   x = 19,623,269,793,856/2,018,732
6. Step 6: Final answer
   x = 9,720,591.83