Finding the Third Proportional to 4,018,309 and 8,816,998

Step by Step Solution

1. Step 1: Write the proportion equation
   4,018,309 : 8,816,998 = 8,816,998 : x
2. Step 2: Convert to fraction form
   4,018,309/8,816,998 = 8,816,998/x
3. Step 3: Cross multiply
   4,018,309x = 8,816,998 × 8,816,998
4. Step 4: Simplify right side
   4,018,309x = 77,739,453,732,004
5. Step 5: Solve for x
   x = 77,739,453,732,004/4,018,309
6. Step 6: Final answer
   x = 19,346,310.53