Finding the Third Proportional to 42,438.38 and 89,524.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,438.38 : 89,524.13 = 89,524.13 : x
2. Step 2: Convert to fraction form
   42,438.38/89,524.13 = 89,524.13/x
3. Step 3: Cross multiply
   42,438.38x = 89,524.13 × 89,524.13
4. Step 4: Simplify right side
   42,438.38x = 8,014,568,957.02
5. Step 5: Solve for x
   x = 8,014,568,957.02/42,438.38
6. Step 6: Final answer
   x = 188,851.93