Finding the Third Proportional to 13,515.19 and 29,311.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,515.19 : 29,311.88 = 29,311.88 : x
2. Step 2: Convert to fraction form
   13,515.19/29,311.88 = 29,311.88/x
3. Step 3: Cross multiply
   13,515.19x = 29,311.88 × 29,311.88
4. Step 4: Simplify right side
   13,515.19x = 859,186,016.02
5. Step 5: Solve for x
   x = 859,186,016.02/13,515.19
6. Step 6: Final answer
   x = 63,571.89