Finding the Third Proportional to 3,907.69 and 5,899.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907.69 : 5,899.22 = 5,899.22 : x
2. Step 2: Convert to fraction form
   3,907.69/5,899.22 = 5,899.22/x
3. Step 3: Cross multiply
   3,907.69x = 5,899.22 × 5,899.22
4. Step 4: Simplify right side
   3,907.69x = 34,800,781.86
5. Step 5: Solve for x
   x = 34,800,781.86/3,907.69
6. Step 6: Final answer
   x = 8,905.72