Finding the Third Proportional to 147,442 and 222,385

Step by Step Solution

1. Step 1: Write the proportion equation
   147,442 : 222,385 = 222,385 : x
2. Step 2: Convert to fraction form
   147,442/222,385 = 222,385/x
3. Step 3: Cross multiply
   147,442x = 222,385 × 222,385
4. Step 4: Simplify right side
   147,442x = 49,455,088,225
5. Step 5: Solve for x
   x = 49,455,088,225/147,442
6. Step 6: Final answer
   x = 335,420.63