Finding the Third Proportional to 222,369 and 344,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,369 : 344,839.50 = 344,839.50 : x
2. Step 2: Convert to fraction form
   222,369/344,839.50 = 344,839.50/x
3. Step 3: Cross multiply
   222,369x = 344,839.50 × 344,839.50
4. Step 4: Simplify right side
   222,369x = 118,914,280,760.25
5. Step 5: Solve for x
   x = 118,914,280,760.25/222,369
6. Step 6: Final answer
   x = 534,761.05