Finding the Third Proportional to 12,780.28 and 27,884.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,780.28 : 27,884.25 = 27,884.25 : x
2. Step 2: Convert to fraction form
   12,780.28/27,884.25 = 27,884.25/x
3. Step 3: Cross multiply
   12,780.28x = 27,884.25 × 27,884.25
4. Step 4: Simplify right side
   12,780.28x = 777,531,398.06
5. Step 5: Solve for x
   x = 777,531,398.06/12,780.28
6. Step 6: Final answer
   x = 60,838.36