Finding the Third Proportional to 13,555.13 and 30,012.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,555.13 : 30,012.75 = 30,012.75 : x
2. Step 2: Convert to fraction form
   13,555.13/30,012.75 = 30,012.75/x
3. Step 3: Cross multiply
   13,555.13x = 30,012.75 × 30,012.75
4. Step 4: Simplify right side
   13,555.13x = 900,765,162.56
5. Step 5: Solve for x
   x = 900,765,162.56/13,555.13
6. Step 6: Final answer
   x = 66,452.00