Finding the Third Proportional to 18,464.75 and 38,018.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,464.75 : 38,018.25 = 38,018.25 : x
2. Step 2: Convert to fraction form
   18,464.75/38,018.25 = 38,018.25/x
3. Step 3: Cross multiply
   18,464.75x = 38,018.25 × 38,018.25
4. Step 4: Simplify right side
   18,464.75x = 1,445,387,333.06
5. Step 5: Solve for x
   x = 1,445,387,333.06/18,464.75
6. Step 6: Final answer
   x = 78,278.20