Finding the Third Proportional to 9,171,456 and 13,780,296

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171,456 : 13,780,296 = 13,780,296 : x
2. Step 2: Convert to fraction form
   9,171,456/13,780,296 = 13,780,296/x
3. Step 3: Cross multiply
   9,171,456x = 13,780,296 × 13,780,296
4. Step 4: Simplify right side
   9,171,456x = 189,896,557,847,616
5. Step 5: Solve for x
   x = 189,896,557,847,616/9,171,456
6. Step 6: Final answer
   x = 20,705,170.24