Finding the Third Proportional to 9,407,448 and 19,945,304

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407,448 : 19,945,304 = 19,945,304 : x
2. Step 2: Convert to fraction form
   9,407,448/19,945,304 = 19,945,304/x
3. Step 3: Cross multiply
   9,407,448x = 19,945,304 × 19,945,304
4. Step 4: Simplify right side
   9,407,448x = 397,815,151,652,416
5. Step 5: Solve for x
   x = 397,815,151,652,416/9,407,448
6. Step 6: Final answer
   x = 42,287,254.91