Finding the Third Proportional to 18,664.17 and 28,293.05

Step by Step Solution

1. Step 1: Write the proportion equation
   18,664.17 : 28,293.05 = 28,293.05 : x
2. Step 2: Convert to fraction form
   18,664.17/28,293.05 = 28,293.05/x
3. Step 3: Cross multiply
   18,664.17x = 28,293.05 × 28,293.05
4. Step 4: Simplify right side
   18,664.17x = 800,496,501.47
5. Step 5: Solve for x
   x = 800,496,501.47/18,664.17
6. Step 6: Final answer
   x = 42,889.47