Finding the Third Proportional to 49,230 and 72,805

Step by Step Solution

1. Step 1: Write the proportion equation
   49,230 : 72,805 = 72,805 : x
2. Step 2: Convert to fraction form
   49,230/72,805 = 72,805/x
3. Step 3: Cross multiply
   49,230x = 72,805 × 72,805
4. Step 4: Simplify right side
   49,230x = 5,300,568,025
5. Step 5: Solve for x
   x = 5,300,568,025/49,230
6. Step 6: Final answer
   x = 107,669.47