Finding the Third Proportional to 4,081,128 and 8,897,089

Step by Step Solution

1. Step 1: Write the proportion equation
   4,081,128 : 8,897,089 = 8,897,089 : x
2. Step 2: Convert to fraction form
   4,081,128/8,897,089 = 8,897,089/x
3. Step 3: Cross multiply
   4,081,128x = 8,897,089 × 8,897,089
4. Step 4: Simplify right side
   4,081,128x = 79,158,192,673,921
5. Step 5: Solve for x
   x = 79,158,192,673,921/4,081,128
6. Step 6: Final answer
   x = 19,396,155.35