Finding the Third Proportional to 147,474 and 222,421.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,474 : 222,421.50 = 222,421.50 : x
2. Step 2: Convert to fraction form
   147,474/222,421.50 = 222,421.50/x
3. Step 3: Cross multiply
   147,474x = 222,421.50 × 222,421.50
4. Step 4: Simplify right side
   147,474x = 49,471,323,662.25
5. Step 5: Solve for x
   x = 49,471,323,662.25/147,474
6. Step 6: Final answer
   x = 335,457.94