Finding the Third Proportional to 10,666.43 and 15,364.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,666.43 : 15,364.53 = 15,364.53 : x
2. Step 2: Convert to fraction form
   10,666.43/15,364.53 = 15,364.53/x
3. Step 3: Cross multiply
   10,666.43x = 15,364.53 × 15,364.53
4. Step 4: Simplify right side
   10,666.43x = 236,068,760.51
5. Step 5: Solve for x
   x = 236,068,760.51/10,666.43
6. Step 6: Final answer
   x = 22,131.94