Finding the Third Proportional to 13,258.50 and 28,860.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,258.50 : 28,860.75 = 28,860.75 : x
2. Step 2: Convert to fraction form
   13,258.50/28,860.75 = 28,860.75/x
3. Step 3: Cross multiply
   13,258.50x = 28,860.75 × 28,860.75
4. Step 4: Simplify right side
   13,258.50x = 832,942,890.56
5. Step 5: Solve for x
   x = 832,942,890.56/13,258.50
6. Step 6: Final answer
   x = 62,823.31