Finding the Third Proportional to 13,506.75 and 30,719.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,506.75 : 30,719.25 = 30,719.25 : x
2. Step 2: Convert to fraction form
   13,506.75/30,719.25 = 30,719.25/x
3. Step 3: Cross multiply
   13,506.75x = 30,719.25 × 30,719.25
4. Step 4: Simplify right side
   13,506.75x = 943,672,320.56
5. Step 5: Solve for x
   x = 943,672,320.56/13,506.75
6. Step 6: Final answer
   x = 69,866.72