Finding the Third Proportional to 13,855.50 and 29,679.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,855.50 : 29,679.75 = 29,679.75 : x
2. Step 2: Convert to fraction form
   13,855.50/29,679.75 = 29,679.75/x
3. Step 3: Cross multiply
   13,855.50x = 29,679.75 × 29,679.75
4. Step 4: Simplify right side
   13,855.50x = 880,887,560.06
5. Step 5: Solve for x
   x = 880,887,560.06/13,855.50
6. Step 6: Final answer
   x = 63,576.74