Finding the Third Proportional to 3,984,987 and 8,550,501

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984,987 : 8,550,501 = 8,550,501 : x
2. Step 2: Convert to fraction form
   3,984,987/8,550,501 = 8,550,501/x
3. Step 3: Cross multiply
   3,984,987x = 8,550,501 × 8,550,501
4. Step 4: Simplify right side
   3,984,987x = 73,111,067,351,001
5. Step 5: Solve for x
   x = 73,111,067,351,001/3,984,987
6. Step 6: Final answer
   x = 18,346,626.31