Finding the Third Proportional to 3,851,898 and 9,109,312

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851,898 : 9,109,312 = 9,109,312 : x
2. Step 2: Convert to fraction form
   3,851,898/9,109,312 = 9,109,312/x
3. Step 3: Cross multiply
   3,851,898x = 9,109,312 × 9,109,312
4. Step 4: Simplify right side
   3,851,898x = 82,979,565,113,344
5. Step 5: Solve for x
   x = 82,979,565,113,344/3,851,898
6. Step 6: Final answer
   x = 21,542,513.62