Finding the Third Proportional to 4,420,066 and 9,520,262

Step by Step Solution

1. Step 1: Write the proportion equation
   4,420,066 : 9,520,262 = 9,520,262 : x
2. Step 2: Convert to fraction form
   4,420,066/9,520,262 = 9,520,262/x
3. Step 3: Cross multiply
   4,420,066x = 9,520,262 × 9,520,262
4. Step 4: Simplify right side
   4,420,066x = 90,635,388,548,644
5. Step 5: Solve for x
   x = 90,635,388,548,644/4,420,066
6. Step 6: Final answer
   x = 20,505,437.83