Finding the Third Proportional to 12,988.83 and 27,920.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,988.83 : 27,920.16 = 27,920.16 : x
2. Step 2: Convert to fraction form
   12,988.83/27,920.16 = 27,920.16/x
3. Step 3: Cross multiply
   12,988.83x = 27,920.16 × 27,920.16
4. Step 4: Simplify right side
   12,988.83x = 779,535,125.02
5. Step 5: Solve for x
   x = 779,535,125.02/12,988.83
6. Step 6: Final answer
   x = 60,015.82