Finding the Third Proportional to 6,020 and 8,978.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,020 : 8,978.25 = 8,978.25 : x
2. Step 2: Convert to fraction form
   6,020/8,978.25 = 8,978.25/x
3. Step 3: Cross multiply
   6,020x = 8,978.25 × 8,978.25
4. Step 4: Simplify right side
   6,020x = 80,608,973.06
5. Step 5: Solve for x
   x = 80,608,973.06/6,020
6. Step 6: Final answer
   x = 13,390.19