Finding the Third Proportional to 4,001,558 and 8,765,644

Step by Step Solution

1. Step 1: Write the proportion equation
   4,001,558 : 8,765,644 = 8,765,644 : x
2. Step 2: Convert to fraction form
   4,001,558/8,765,644 = 8,765,644/x
3. Step 3: Cross multiply
   4,001,558x = 8,765,644 × 8,765,644
4. Step 4: Simplify right side
   4,001,558x = 76,836,514,734,736
5. Step 5: Solve for x
   x = 76,836,514,734,736/4,001,558
6. Step 6: Final answer
   x = 19,201,649.64