Finding the Third Proportional to 16,267,084 and 21,686,898

Step by Step Solution

1. Step 1: Write the proportion equation
   16,267,084 : 21,686,898 = 21,686,898 : x
2. Step 2: Convert to fraction form
   16,267,084/21,686,898 = 21,686,898/x
3. Step 3: Cross multiply
   16,267,084x = 21,686,898 × 21,686,898
4. Step 4: Simplify right side
   16,267,084x = 470,321,544,862,404
5. Step 5: Solve for x
   x = 470,321,544,862,404/16,267,084
6. Step 6: Final answer
   x = 28,912,467.95