Finding the Third Proportional to 4,147,980 and 8,627,051

Step by Step Solution

1. Step 1: Write the proportion equation
   4,147,980 : 8,627,051 = 8,627,051 : x
2. Step 2: Convert to fraction form
   4,147,980/8,627,051 = 8,627,051/x
3. Step 3: Cross multiply
   4,147,980x = 8,627,051 × 8,627,051
4. Step 4: Simplify right side
   4,147,980x = 74,426,008,956,601
5. Step 5: Solve for x
   x = 74,426,008,956,601/4,147,980
6. Step 6: Final answer
   x = 17,942,711.62