Finding the Third Proportional to 82,030.50 and 128,514

Step by Step Solution

1. Step 1: Write the proportion equation
   82,030.50 : 128,514 = 128,514 : x
2. Step 2: Convert to fraction form
   82,030.50/128,514 = 128,514/x
3. Step 3: Cross multiply
   82,030.50x = 128,514 × 128,514
4. Step 4: Simplify right side
   82,030.50x = 16,515,848,196
5. Step 5: Solve for x
   x = 16,515,848,196/82,030.50
6. Step 6: Final answer
   x = 201,337.90