Finding the Third Proportional to 10,816.31 and 23,981.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,816.31 : 23,981.06 = 23,981.06 : x
2. Step 2: Convert to fraction form
   10,816.31/23,981.06 = 23,981.06/x
3. Step 3: Cross multiply
   10,816.31x = 23,981.06 × 23,981.06
4. Step 4: Simplify right side
   10,816.31x = 575,091,358.63
5. Step 5: Solve for x
   x = 575,091,358.63/10,816.31
6. Step 6: Final answer
   x = 53,168.89