Finding the Third Proportional to 49,311 and 80,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,311 : 80,113.50 = 80,113.50 : x
2. Step 2: Convert to fraction form
   49,311/80,113.50 = 80,113.50/x
3. Step 3: Cross multiply
   49,311x = 80,113.50 × 80,113.50
4. Step 4: Simplify right side
   49,311x = 6,418,172,882.25
5. Step 5: Solve for x
   x = 6,418,172,882.25/49,311
6. Step 6: Final answer
   x = 130,157.02