Finding the Third Proportional to 222,422 and 344,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,422 : 344,693.50 = 344,693.50 : x
2. Step 2: Convert to fraction form
   222,422/344,693.50 = 344,693.50/x
3. Step 3: Cross multiply
   222,422x = 344,693.50 × 344,693.50
4. Step 4: Simplify right side
   222,422x = 118,813,608,942.25
5. Step 5: Solve for x
   x = 118,813,608,942.25/222,422
6. Step 6: Final answer
   x = 534,181.01