Finding the Third Proportional to 40,489.50 and 61,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,489.50 : 61,099.50 = 61,099.50 : x
2. Step 2: Convert to fraction form
   40,489.50/61,099.50 = 61,099.50/x
3. Step 3: Cross multiply
   40,489.50x = 61,099.50 × 61,099.50
4. Step 4: Simplify right side
   40,489.50x = 3,733,148,900.25
5. Step 5: Solve for x
   x = 3,733,148,900.25/40,489.50
6. Step 6: Final answer
   x = 92,200.42