Finding the Third Proportional to 13,454 and 28,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,454 : 28,659.50 = 28,659.50 : x
2. Step 2: Convert to fraction form
   13,454/28,659.50 = 28,659.50/x
3. Step 3: Cross multiply
   13,454x = 28,659.50 × 28,659.50
4. Step 4: Simplify right side
   13,454x = 821,366,940.25
5. Step 5: Solve for x
   x = 821,366,940.25/13,454
6. Step 6: Final answer
   x = 61,050.02