Finding the Third Proportional to 9,107,471 and 19,728,310

Step by Step Solution

1. Step 1: Write the proportion equation
   9,107,471 : 19,728,310 = 19,728,310 : x
2. Step 2: Convert to fraction form
   9,107,471/19,728,310 = 19,728,310/x
3. Step 3: Cross multiply
   9,107,471x = 19,728,310 × 19,728,310
4. Step 4: Simplify right side
   9,107,471x = 389,206,215,456,100
5. Step 5: Solve for x
   x = 389,206,215,456,100/9,107,471
6. Step 6: Final answer
   x = 42,734,828.96