Finding the Third Proportional to 42,265 and 89,245

Step by Step Solution

1. Step 1: Write the proportion equation
   42,265 : 89,245 = 89,245 : x
2. Step 2: Convert to fraction form
   42,265/89,245 = 89,245/x
3. Step 3: Cross multiply
   42,265x = 89,245 × 89,245
4. Step 4: Simplify right side
   42,265x = 7,964,670,025
5. Step 5: Solve for x
   x = 7,964,670,025/42,265
6. Step 6: Final answer
   x = 188,446.00