Finding the Third Proportional to 4,001,554 and 8,765,636

Step by Step Solution

1. Step 1: Write the proportion equation
   4,001,554 : 8,765,636 = 8,765,636 : x
2. Step 2: Convert to fraction form
   4,001,554/8,765,636 = 8,765,636/x
3. Step 3: Cross multiply
   4,001,554x = 8,765,636 × 8,765,636
4. Step 4: Simplify right side
   4,001,554x = 76,836,374,484,496
5. Step 5: Solve for x
   x = 76,836,374,484,496/4,001,554
6. Step 6: Final answer
   x = 19,201,633.79