Finding the Third Proportional to 18,314.91 and 38,878.03

Step by Step Solution

1. Step 1: Write the proportion equation
   18,314.91 : 38,878.03 = 38,878.03 : x
2. Step 2: Convert to fraction form
   18,314.91/38,878.03 = 38,878.03/x
3. Step 3: Cross multiply
   18,314.91x = 38,878.03 × 38,878.03
4. Step 4: Simplify right side
   18,314.91x = 1,511,501,313.88
5. Step 5: Solve for x
   x = 1,511,501,313.88/18,314.91
6. Step 6: Final answer
   x = 82,528.48