Finding the Third Proportional to 9,847,040 and 20,476,864

Step by Step Solution

1. Step 1: Write the proportion equation
   9,847,040 : 20,476,864 = 20,476,864 : x
2. Step 2: Convert to fraction form
   9,847,040/20,476,864 = 20,476,864/x
3. Step 3: Cross multiply
   9,847,040x = 20,476,864 × 20,476,864
4. Step 4: Simplify right side
   9,847,040x = 419,301,959,274,496
5. Step 5: Solve for x
   x = 419,301,959,274,496/9,847,040
6. Step 6: Final answer
   x = 42,581,522.90