Finding the Third Proportional to 86,751 and 171,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,751 : 171,031.50 = 171,031.50 : x
2. Step 2: Convert to fraction form
   86,751/171,031.50 = 171,031.50/x
3. Step 3: Cross multiply
   86,751x = 171,031.50 × 171,031.50
4. Step 4: Simplify right side
   86,751x = 29,251,773,992.25
5. Step 5: Solve for x
   x = 29,251,773,992.25/86,751
6. Step 6: Final answer
   x = 337,192.36