Finding the Third Proportional to 13,329.56 and 30,858.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,329.56 : 30,858.47 = 30,858.47 : x
2. Step 2: Convert to fraction form
   13,329.56/30,858.47 = 30,858.47/x
3. Step 3: Cross multiply
   13,329.56x = 30,858.47 × 30,858.47
4. Step 4: Simplify right side
   13,329.56x = 952,245,093.59
5. Step 5: Solve for x
   x = 952,245,093.59/13,329.56
6. Step 6: Final answer
   x = 71,438.59