Finding the Third Proportional to 222,157 and 344,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,157 : 344,089.50 = 344,089.50 : x
2. Step 2: Convert to fraction form
   222,157/344,089.50 = 344,089.50/x
3. Step 3: Cross multiply
   222,157x = 344,089.50 × 344,089.50
4. Step 4: Simplify right side
   222,157x = 118,397,584,010.25
5. Step 5: Solve for x
   x = 118,397,584,010.25/222,157
6. Step 6: Final answer
   x = 532,945.55