Finding the Third Proportional to 9,407,444 and 19,945,296

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407,444 : 19,945,296 = 19,945,296 : x
2. Step 2: Convert to fraction form
   9,407,444/19,945,296 = 19,945,296/x
3. Step 3: Cross multiply
   9,407,444x = 19,945,296 × 19,945,296
4. Step 4: Simplify right side
   9,407,444x = 397,814,832,527,616
5. Step 5: Solve for x
   x = 397,814,832,527,616/9,407,444
6. Step 6: Final answer
   x = 42,287,238.97