Finding the Third Proportional to 10,720.89 and 23,099.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,720.89 : 23,099.65 = 23,099.65 : x
2. Step 2: Convert to fraction form
   10,720.89/23,099.65 = 23,099.65/x
3. Step 3: Cross multiply
   10,720.89x = 23,099.65 × 23,099.65
4. Step 4: Simplify right side
   10,720.89x = 533,593,994.80
5. Step 5: Solve for x
   x = 533,593,994.80/10,720.89
6. Step 6: Final answer
   x = 49,771.42