Finding the Third Proportional to 3,884,616 and 8,540,064

Step by Step Solution

1. Step 1: Write the proportion equation
   3,884,616 : 8,540,064 = 8,540,064 : x
2. Step 2: Convert to fraction form
   3,884,616/8,540,064 = 8,540,064/x
3. Step 3: Cross multiply
   3,884,616x = 8,540,064 × 8,540,064
4. Step 4: Simplify right side
   3,884,616x = 72,932,693,124,096
5. Step 5: Solve for x
   x = 72,932,693,124,096/3,884,616
6. Step 6: Final answer
   x = 18,774,749.71