Finding the Third Proportional to 4,261,472 and 9,155,392

Step by Step Solution

1. Step 1: Write the proportion equation
   4,261,472 : 9,155,392 = 9,155,392 : x
2. Step 2: Convert to fraction form
   4,261,472/9,155,392 = 9,155,392/x
3. Step 3: Cross multiply
   4,261,472x = 9,155,392 × 9,155,392
4. Step 4: Simplify right side
   4,261,472x = 83,821,202,673,664
5. Step 5: Solve for x
   x = 83,821,202,673,664/4,261,472
6. Step 6: Final answer
   x = 19,669,542.04