Finding the Third Proportional to 73,701 and 173,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,701 : 173,236.50 = 173,236.50 : x
2. Step 2: Convert to fraction form
   73,701/173,236.50 = 173,236.50/x
3. Step 3: Cross multiply
   73,701x = 173,236.50 × 173,236.50
4. Step 4: Simplify right side
   73,701x = 30,010,884,932.25
5. Step 5: Solve for x
   x = 30,010,884,932.25/73,701
6. Step 6: Final answer
   x = 407,197.80