Finding the Third Proportional to 15,066 and 21,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,066 : 21,397.50 = 21,397.50 : x
2. Step 2: Convert to fraction form
   15,066/21,397.50 = 21,397.50/x
3. Step 3: Cross multiply
   15,066x = 21,397.50 × 21,397.50
4. Step 4: Simplify right side
   15,066x = 457,853,006.25
5. Step 5: Solve for x
   x = 457,853,006.25/15,066
6. Step 6: Final answer
   x = 30,389.82