Finding the Third Proportional to 4,443,288 and 9,201,648

Step by Step Solution

1. Step 1: Write the proportion equation
   4,443,288 : 9,201,648 = 9,201,648 : x
2. Step 2: Convert to fraction form
   4,443,288/9,201,648 = 9,201,648/x
3. Step 3: Cross multiply
   4,443,288x = 9,201,648 × 9,201,648
4. Step 4: Simplify right side
   4,443,288x = 84,670,325,915,904
5. Step 5: Solve for x
   x = 84,670,325,915,904/4,443,288
6. Step 6: Final answer
   x = 19,055,781.65