Finding the Third Proportional to 38,991.38 and 84,538.13

Step by Step Solution

1. Step 1: Write the proportion equation
   38,991.38 : 84,538.13 = 84,538.13 : x
2. Step 2: Convert to fraction form
   38,991.38/84,538.13 = 84,538.13/x
3. Step 3: Cross multiply
   38,991.38x = 84,538.13 × 84,538.13
4. Step 4: Simplify right side
   38,991.38x = 7,146,694,578.52
5. Step 5: Solve for x
   x = 7,146,694,578.52/38,991.38
6. Step 6: Final answer
   x = 183,289.11