Finding the Third Proportional to 13,061.25 and 26,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.25 : 26,815.50 = 26,815.50 : x
2. Step 2: Convert to fraction form
   13,061.25/26,815.50 = 26,815.50/x
3. Step 3: Cross multiply
   13,061.25x = 26,815.50 × 26,815.50
4. Step 4: Simplify right side
   13,061.25x = 719,071,040.25
5. Step 5: Solve for x
   x = 719,071,040.25/13,061.25
6. Step 6: Final answer
   x = 55,053.77