Finding the Third Proportional to 42,550 and 90,481

Step by Step Solution

1. Step 1: Write the proportion equation
   42,550 : 90,481 = 90,481 : x
2. Step 2: Convert to fraction form
   42,550/90,481 = 90,481/x
3. Step 3: Cross multiply
   42,550x = 90,481 × 90,481
4. Step 4: Simplify right side
   42,550x = 8,186,811,361
5. Step 5: Solve for x
   x = 8,186,811,361/42,550
6. Step 6: Final answer
   x = 192,404.50