Finding the Third Proportional to 12,795.50 and 26,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,795.50 : 26,991.50 = 26,991.50 : x
2. Step 2: Convert to fraction form
   12,795.50/26,991.50 = 26,991.50/x
3. Step 3: Cross multiply
   12,795.50x = 26,991.50 × 26,991.50
4. Step 4: Simplify right side
   12,795.50x = 728,541,072.25
5. Step 5: Solve for x
   x = 728,541,072.25/12,795.50
6. Step 6: Final answer
   x = 56,937.29