Finding the Third Proportional to 34,381.50 and 54,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,381.50 : 54,706.50 = 54,706.50 : x
2. Step 2: Convert to fraction form
   34,381.50/54,706.50 = 54,706.50/x
3. Step 3: Cross multiply
   34,381.50x = 54,706.50 × 54,706.50
4. Step 4: Simplify right side
   34,381.50x = 2,992,801,142.25
5. Step 5: Solve for x
   x = 2,992,801,142.25/34,381.50
6. Step 6: Final answer
   x = 87,046.85