Finding the Third Proportional to 4,239,488 and 9,197,134

Step by Step Solution

1. Step 1: Write the proportion equation
   4,239,488 : 9,197,134 = 9,197,134 : x
2. Step 2: Convert to fraction form
   4,239,488/9,197,134 = 9,197,134/x
3. Step 3: Cross multiply
   4,239,488x = 9,197,134 × 9,197,134
4. Step 4: Simplify right side
   4,239,488x = 84,587,273,813,956
5. Step 5: Solve for x
   x = 84,587,273,813,956/4,239,488
6. Step 6: Final answer
   x = 19,952,238.06