Finding the Third Proportional to 4,014,866 and 8,660,164

Step by Step Solution

1. Step 1: Write the proportion equation
   4,014,866 : 8,660,164 = 8,660,164 : x
2. Step 2: Convert to fraction form
   4,014,866/8,660,164 = 8,660,164/x
3. Step 3: Cross multiply
   4,014,866x = 8,660,164 × 8,660,164
4. Step 4: Simplify right side
   4,014,866x = 74,998,440,506,896
5. Step 5: Solve for x
   x = 74,998,440,506,896/4,014,866
6. Step 6: Final answer
   x = 18,680,185.22