Finding the Third Proportional to 42,322 and 80,804

Step by Step Solution

1. Step 1: Write the proportion equation
   42,322 : 80,804 = 80,804 : x
2. Step 2: Convert to fraction form
   42,322/80,804 = 80,804/x
3. Step 3: Cross multiply
   42,322x = 80,804 × 80,804
4. Step 4: Simplify right side
   42,322x = 6,529,286,416
5. Step 5: Solve for x
   x = 6,529,286,416/42,322
6. Step 6: Final answer
   x = 154,276.41