Finding the Third Proportional to 4,342,212 and 9,261,540

Step by Step Solution

1. Step 1: Write the proportion equation
   4,342,212 : 9,261,540 = 9,261,540 : x
2. Step 2: Convert to fraction form
   4,342,212/9,261,540 = 9,261,540/x
3. Step 3: Cross multiply
   4,342,212x = 9,261,540 × 9,261,540
4. Step 4: Simplify right side
   4,342,212x = 85,776,123,171,600
5. Step 5: Solve for x
   x = 85,776,123,171,600/4,342,212
6. Step 6: Final answer
   x = 19,754,015.50