Finding the Third Proportional to 4,010,476 and 8,660,144

Step by Step Solution

1. Step 1: Write the proportion equation
   4,010,476 : 8,660,144 = 8,660,144 : x
2. Step 2: Convert to fraction form
   4,010,476/8,660,144 = 8,660,144/x
3. Step 3: Cross multiply
   4,010,476x = 8,660,144 × 8,660,144
4. Step 4: Simplify right side
   4,010,476x = 74,998,094,100,736
5. Step 5: Solve for x
   x = 74,998,094,100,736/4,010,476
6. Step 6: Final answer
   x = 18,700,546.79