Finding the Third Proportional to 72,025 and 109,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,025 : 109,031.50 = 109,031.50 : x
2. Step 2: Convert to fraction form
   72,025/109,031.50 = 109,031.50/x
3. Step 3: Cross multiply
   72,025x = 109,031.50 × 109,031.50
4. Step 4: Simplify right side
   72,025x = 11,887,867,992.25
5. Step 5: Solve for x
   x = 11,887,867,992.25/72,025
6. Step 6: Final answer
   x = 165,051.97