Finding the Third Proportional to 49,518 and 67,280.63

Step by Step Solution

1. Step 1: Write the proportion equation
   49,518 : 67,280.63 = 67,280.63 : x
2. Step 2: Convert to fraction form
   49,518/67,280.63 = 67,280.63/x
3. Step 3: Cross multiply
   49,518x = 67,280.63 × 67,280.63
4. Step 4: Simplify right side
   49,518x = 4,526,682,500.39
5. Step 5: Solve for x
   x = 4,526,682,500.39/49,518
6. Step 6: Final answer
   x = 91,414.89