Finding the Third Proportional to 40,864.50 and 54,806.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,864.50 : 54,806.63 = 54,806.63 : x
2. Step 2: Convert to fraction form
   40,864.50/54,806.63 = 54,806.63/x
3. Step 3: Cross multiply
   40,864.50x = 54,806.63 × 54,806.63
4. Step 4: Simplify right side
   40,864.50x = 3,003,766,143.89
5. Step 5: Solve for x
   x = 3,003,766,143.89/40,864.50
6. Step 6: Final answer
   x = 73,505.52