Finding the Third Proportional to 4,147,812 and 8,626,692

Step by Step Solution

1. Step 1: Write the proportion equation
   4,147,812 : 8,626,692 = 8,626,692 : x
2. Step 2: Convert to fraction form
   4,147,812/8,626,692 = 8,626,692/x
3. Step 3: Cross multiply
   4,147,812x = 8,626,692 × 8,626,692
4. Step 4: Simplify right side
   4,147,812x = 74,419,814,862,864
5. Step 5: Solve for x
   x = 74,419,814,862,864/4,147,812
6. Step 6: Final answer
   x = 17,941,945.02