Finding the Third Proportional to 3,670,022 and 8,634,828

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,022 : 8,634,828 = 8,634,828 : x
2. Step 2: Convert to fraction form
   3,670,022/8,634,828 = 8,634,828/x
3. Step 3: Cross multiply
   3,670,022x = 8,634,828 × 8,634,828
4. Step 4: Simplify right side
   3,670,022x = 74,560,254,589,584
5. Step 5: Solve for x
   x = 74,560,254,589,584/3,670,022
6. Step 6: Final answer
   x = 20,316,023.88