Finding the Third Proportional to 7,851,384 and 16,905,456

Step by Step Solution

1. Step 1: Write the proportion equation
   7,851,384 : 16,905,456 = 16,905,456 : x
2. Step 2: Convert to fraction form
   7,851,384/16,905,456 = 16,905,456/x
3. Step 3: Cross multiply
   7,851,384x = 16,905,456 × 16,905,456
4. Step 4: Simplify right side
   7,851,384x = 285,794,442,567,936
5. Step 5: Solve for x
   x = 285,794,442,567,936/7,851,384
6. Step 6: Final answer
   x = 36,400,517.74