Finding the Third Proportional to 18,783.94 and 28,117.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,783.94 : 28,117.31 = 28,117.31 : x
2. Step 2: Convert to fraction form
   18,783.94/28,117.31 = 28,117.31/x
3. Step 3: Cross multiply
   18,783.94x = 28,117.31 × 28,117.31
4. Step 4: Simplify right side
   18,783.94x = 790,583,262.22
5. Step 5: Solve for x
   x = 790,583,262.22/18,783.94
6. Step 6: Final answer
   x = 42,088.26