Finding the Third Proportional to 71,319 and 110,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,319 : 110,434.50 = 110,434.50 : x
2. Step 2: Convert to fraction form
   71,319/110,434.50 = 110,434.50/x
3. Step 3: Cross multiply
   71,319x = 110,434.50 × 110,434.50
4. Step 4: Simplify right side
   71,319x = 12,195,778,790.25
5. Step 5: Solve for x
   x = 12,195,778,790.25/71,319
6. Step 6: Final answer
   x = 171,003.22