Finding the Third Proportional to 222,060 and 301,554

Step by Step Solution

1. Step 1: Write the proportion equation
   222,060 : 301,554 = 301,554 : x
2. Step 2: Convert to fraction form
   222,060/301,554 = 301,554/x
3. Step 3: Cross multiply
   222,060x = 301,554 × 301,554
4. Step 4: Simplify right side
   222,060x = 90,934,814,916
5. Step 5: Solve for x
   x = 90,934,814,916/222,060
6. Step 6: Final answer
   x = 409,505.61