Finding the Third Proportional to 13,142.50 and 26,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,142.50 : 26,898.50 = 26,898.50 : x
2. Step 2: Convert to fraction form
   13,142.50/26,898.50 = 26,898.50/x
3. Step 3: Cross multiply
   13,142.50x = 26,898.50 × 26,898.50
4. Step 4: Simplify right side
   13,142.50x = 723,529,302.25
5. Step 5: Solve for x
   x = 723,529,302.25/13,142.50
6. Step 6: Final answer
   x = 55,052.64