Finding the Third Proportional to 71,281 and 110,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,281 : 110,890.50 = 110,890.50 : x
2. Step 2: Convert to fraction form
   71,281/110,890.50 = 110,890.50/x
3. Step 3: Cross multiply
   71,281x = 110,890.50 × 110,890.50
4. Step 4: Simplify right side
   71,281x = 12,296,702,990.25
5. Step 5: Solve for x
   x = 12,296,702,990.25/71,281
6. Step 6: Final answer
   x = 172,510.25