Finding the Third Proportional to 4,433,646 and 9,530,318

Step by Step Solution

1. Step 1: Write the proportion equation
   4,433,646 : 9,530,318 = 9,530,318 : x
2. Step 2: Convert to fraction form
   4,433,646/9,530,318 = 9,530,318/x
3. Step 3: Cross multiply
   4,433,646x = 9,530,318 × 9,530,318
4. Step 4: Simplify right side
   4,433,646x = 90,826,961,181,124
5. Step 5: Solve for x
   x = 90,826,961,181,124/4,433,646
6. Step 6: Final answer
   x = 20,485,839.69