Finding the Third Proportional to 5,899.08 and 8,118.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,899.08 : 8,118.35 = 8,118.35 : x
2. Step 2: Convert to fraction form
   5,899.08/8,118.35 = 8,118.35/x
3. Step 3: Cross multiply
   5,899.08x = 8,118.35 × 8,118.35
4. Step 4: Simplify right side
   5,899.08x = 65,907,632.09
5. Step 5: Solve for x
   x = 65,907,632.09/5,899.08
6. Step 6: Final answer
   x = 11,172.53