Finding the Third Proportional to 3,884,544 and 8,539,992

Step by Step Solution

1. Step 1: Write the proportion equation
   3,884,544 : 8,539,992 = 8,539,992 : x
2. Step 2: Convert to fraction form
   3,884,544/8,539,992 = 8,539,992/x
3. Step 3: Cross multiply
   3,884,544x = 8,539,992 × 8,539,992
4. Step 4: Simplify right side
   3,884,544x = 72,931,463,360,064
5. Step 5: Solve for x
   x = 72,931,463,360,064/3,884,544
6. Step 6: Final answer
   x = 18,774,781.12