Finding the Third Proportional to 4,010,502 and 8,660,188

Step by Step Solution

1. Step 1: Write the proportion equation
   4,010,502 : 8,660,188 = 8,660,188 : x
2. Step 2: Convert to fraction form
   4,010,502/8,660,188 = 8,660,188/x
3. Step 3: Cross multiply
   4,010,502x = 8,660,188 × 8,660,188
4. Step 4: Simplify right side
   4,010,502x = 74,998,856,195,344
5. Step 5: Solve for x
   x = 74,998,856,195,344/4,010,502
6. Step 6: Final answer
   x = 18,700,615.58