Finding the Third Proportional to 34,323 and 54,684

Step by Step Solution

1. Step 1: Write the proportion equation
   34,323 : 54,684 = 54,684 : x
2. Step 2: Convert to fraction form
   34,323/54,684 = 54,684/x
3. Step 3: Cross multiply
   34,323x = 54,684 × 54,684
4. Step 4: Simplify right side
   34,323x = 2,990,339,856
5. Step 5: Solve for x
   x = 2,990,339,856/34,323
6. Step 6: Final answer
   x = 87,123.50