Finding the Third Proportional to 3,851,896 and 9,109,307

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851,896 : 9,109,307 = 9,109,307 : x
2. Step 2: Convert to fraction form
   3,851,896/9,109,307 = 9,109,307/x
3. Step 3: Cross multiply
   3,851,896x = 9,109,307 × 9,109,307
4. Step 4: Simplify right side
   3,851,896x = 82,979,474,020,249
5. Step 5: Solve for x
   x = 82,979,474,020,249/3,851,896
6. Step 6: Final answer
   x = 21,542,501.15