Finding the Third Proportional to 58,576.50 and 128,367

Step by Step Solution

1. Step 1: Write the proportion equation
   58,576.50 : 128,367 = 128,367 : x
2. Step 2: Convert to fraction form
   58,576.50/128,367 = 128,367/x
3. Step 3: Cross multiply
   58,576.50x = 128,367 × 128,367
4. Step 4: Simplify right side
   58,576.50x = 16,478,086,689
5. Step 5: Solve for x
   x = 16,478,086,689/58,576.50
6. Step 6: Final answer
   x = 281,308.83