Finding the Third Proportional to 14,622,409 and 20,441,978

Step by Step Solution

1. Step 1: Write the proportion equation
   14,622,409 : 20,441,978 = 20,441,978 : x
2. Step 2: Convert to fraction form
   14,622,409/20,441,978 = 20,441,978/x
3. Step 3: Cross multiply
   14,622,409x = 20,441,978 × 20,441,978
4. Step 4: Simplify right side
   14,622,409x = 417,874,464,552,484
5. Step 5: Solve for x
   x = 417,874,464,552,484/14,622,409
6. Step 6: Final answer
   x = 28,577,675.85