Finding the Third Proportional to 42,322 and 90,474

Step by Step Solution

1. Step 1: Write the proportion equation
   42,322 : 90,474 = 90,474 : x
2. Step 2: Convert to fraction form
   42,322/90,474 = 90,474/x
3. Step 3: Cross multiply
   42,322x = 90,474 × 90,474
4. Step 4: Simplify right side
   42,322x = 8,185,544,676
5. Step 5: Solve for x
   x = 8,185,544,676/42,322
6. Step 6: Final answer
   x = 193,411.10