Finding the Third Proportional to 4,073,778 and 8,904,258

Step by Step Solution

1. Step 1: Write the proportion equation
   4,073,778 : 8,904,258 = 8,904,258 : x
2. Step 2: Convert to fraction form
   4,073,778/8,904,258 = 8,904,258/x
3. Step 3: Cross multiply
   4,073,778x = 8,904,258 × 8,904,258
4. Step 4: Simplify right side
   4,073,778x = 79,285,810,530,564
5. Step 5: Solve for x
   x = 79,285,810,530,564/4,073,778
6. Step 6: Final answer
   x = 19,462,476.98