Finding the Third Proportional to 12,955.50 and 27,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,955.50 : 27,979.50 = 27,979.50 : x
2. Step 2: Convert to fraction form
   12,955.50/27,979.50 = 27,979.50/x
3. Step 3: Cross multiply
   12,955.50x = 27,979.50 × 27,979.50
4. Step 4: Simplify right side
   12,955.50x = 782,852,420.25
5. Step 5: Solve for x
   x = 782,852,420.25/12,955.50
6. Step 6: Final answer
   x = 60,426.26