Finding the Third Proportional to 13,257.56 and 27,878.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,257.56 : 27,878.06 = 27,878.06 : x
2. Step 2: Convert to fraction form
   13,257.56/27,878.06 = 27,878.06/x
3. Step 3: Cross multiply
   13,257.56x = 27,878.06 × 27,878.06
4. Step 4: Simplify right side
   13,257.56x = 777,186,368.75
5. Step 5: Solve for x
   x = 777,186,368.75/13,257.56
6. Step 6: Final answer
   x = 58,622.12