Finding the Third Proportional to 155,241 and 243,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,241 : 243,010.50 = 243,010.50 : x
2. Step 2: Convert to fraction form
   155,241/243,010.50 = 243,010.50/x
3. Step 3: Cross multiply
   155,241x = 243,010.50 × 243,010.50
4. Step 4: Simplify right side
   155,241x = 59,054,103,110.25
5. Step 5: Solve for x
   x = 59,054,103,110.25/155,241
6. Step 6: Final answer
   x = 380,402.75