Finding the Third Proportional to 18,503.25 and 28,215.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,503.25 : 28,215.56 = 28,215.56 : x
2. Step 2: Convert to fraction form
   18,503.25/28,215.56 = 28,215.56/x
3. Step 3: Cross multiply
   18,503.25x = 28,215.56 × 28,215.56
4. Step 4: Simplify right side
   18,503.25x = 796,117,967.19
5. Step 5: Solve for x
   x = 796,117,967.19/18,503.25
6. Step 6: Final answer
   x = 43,025.85