Finding the Third Proportional to 82,031.06 and 128,514.94

Step by Step Solution

1. Step 1: Write the proportion equation
   82,031.06 : 128,514.94 = 128,514.94 : x
2. Step 2: Convert to fraction form
   82,031.06/128,514.94 = 128,514.94/x
3. Step 3: Cross multiply
   82,031.06x = 128,514.94 × 128,514.94
4. Step 4: Simplify right side
   82,031.06x = 16,516,089,160.63
5. Step 5: Solve for x
   x = 16,516,089,160.63/82,031.06
6. Step 6: Final answer
   x = 201,339.45