Finding the Third Proportional to 42,325 and 90,481

Step by Step Solution

1. Step 1: Write the proportion equation
   42,325 : 90,481 = 90,481 : x
2. Step 2: Convert to fraction form
   42,325/90,481 = 90,481/x
3. Step 3: Cross multiply
   42,325x = 90,481 × 90,481
4. Step 4: Simplify right side
   42,325x = 8,186,811,361
5. Step 5: Solve for x
   x = 8,186,811,361/42,325
6. Step 6: Final answer
   x = 193,427.32