Finding the Third Proportional to 42,204.25 and 90,058.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,204.25 : 90,058.38 = 90,058.38 : x
2. Step 2: Convert to fraction form
   42,204.25/90,058.38 = 90,058.38/x
3. Step 3: Cross multiply
   42,204.25x = 90,058.38 × 90,058.38
4. Step 4: Simplify right side
   42,204.25x = 8,110,510,907.64
5. Step 5: Solve for x
   x = 8,110,510,907.64/42,204.25
6. Step 6: Final answer
   x = 192,172.85