Finding the Third Proportional to 4,147,977 and 8,627,046

Step by Step Solution

1. Step 1: Write the proportion equation
   4,147,977 : 8,627,046 = 8,627,046 : x
2. Step 2: Convert to fraction form
   4,147,977/8,627,046 = 8,627,046/x
3. Step 3: Cross multiply
   4,147,977x = 8,627,046 × 8,627,046
4. Step 4: Simplify right side
   4,147,977x = 74,425,922,686,116
5. Step 5: Solve for x
   x = 74,425,922,686,116/4,147,977
6. Step 6: Final answer
   x = 17,942,703.80