Finding the Third Proportional to 42,605.16 and 89,617.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,605.16 : 89,617.22 = 89,617.22 : x
2. Step 2: Convert to fraction form
   42,605.16/89,617.22 = 89,617.22/x
3. Step 3: Cross multiply
   42,605.16x = 89,617.22 × 89,617.22
4. Step 4: Simplify right side
   42,605.16x = 8,031,245,896.49
5. Step 5: Solve for x
   x = 8,031,245,896.49/42,605.16
6. Step 6: Final answer
   x = 188,504.08