Finding the Third Proportional to 12,760,878 and 19,614,393

Step by Step Solution

1. Step 1: Write the proportion equation
   12,760,878 : 19,614,393 = 19,614,393 : x
2. Step 2: Convert to fraction form
   12,760,878/19,614,393 = 19,614,393/x
3. Step 3: Cross multiply
   12,760,878x = 19,614,393 × 19,614,393
4. Step 4: Simplify right side
   12,760,878x = 384,724,412,758,449
5. Step 5: Solve for x
   x = 384,724,412,758,449/12,760,878
6. Step 6: Final answer
   x = 30,148,741.55