Finding the Third Proportional to 73,821 and 173,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,821 : 173,314.50 = 173,314.50 : x
2. Step 2: Convert to fraction form
   73,821/173,314.50 = 173,314.50/x
3. Step 3: Cross multiply
   73,821x = 173,314.50 × 173,314.50
4. Step 4: Simplify right side
   73,821x = 30,037,915,910.25
5. Step 5: Solve for x
   x = 30,037,915,910.25/73,821
6. Step 6: Final answer
   x = 406,902.05