Finding the Third Proportional to 19,965,878 and 30,670,031

Step by Step Solution

1. Step 1: Write the proportion equation
   19,965,878 : 30,670,031 = 30,670,031 : x
2. Step 2: Convert to fraction form
   19,965,878/30,670,031 = 30,670,031/x
3. Step 3: Cross multiply
   19,965,878x = 30,670,031 × 30,670,031
4. Step 4: Simplify right side
   19,965,878x = 940,650,801,540,961
5. Step 5: Solve for x
   x = 940,650,801,540,961/19,965,878
6. Step 6: Final answer
   x = 47,112,919.43