Finding the Third Proportional to 12,464,578 and 19,147,116

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464,578 : 19,147,116 = 19,147,116 : x
2. Step 2: Convert to fraction form
   12,464,578/19,147,116 = 19,147,116/x
3. Step 3: Cross multiply
   12,464,578x = 19,147,116 × 19,147,116
4. Step 4: Simplify right side
   12,464,578x = 366,612,051,117,456
5. Step 5: Solve for x
   x = 366,612,051,117,456/12,464,578
6. Step 6: Final answer
   x = 29,412,311.52