Finding the Third Proportional to 80,481 and 109,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,481 : 109,300.50 = 109,300.50 : x
2. Step 2: Convert to fraction form
   80,481/109,300.50 = 109,300.50/x
3. Step 3: Cross multiply
   80,481x = 109,300.50 × 109,300.50
4. Step 4: Simplify right side
   80,481x = 11,946,599,300.25
5. Step 5: Solve for x
   x = 11,946,599,300.25/80,481
6. Step 6: Final answer
   x = 148,440.00