Finding the Third Proportional to 4,000,344 and 8,626,176

Step by Step Solution

1. Step 1: Write the proportion equation
   4,000,344 : 8,626,176 = 8,626,176 : x
2. Step 2: Convert to fraction form
   4,000,344/8,626,176 = 8,626,176/x
3. Step 3: Cross multiply
   4,000,344x = 8,626,176 × 8,626,176
4. Step 4: Simplify right side
   4,000,344x = 74,410,912,382,976
5. Step 5: Solve for x
   x = 74,410,912,382,976/4,000,344
6. Step 6: Final answer
   x = 18,601,128.40