Finding the Third Proportional to 155,610 and 243,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,610 : 243,850.50 = 243,850.50 : x
2. Step 2: Convert to fraction form
   155,610/243,850.50 = 243,850.50/x
3. Step 3: Cross multiply
   155,610x = 243,850.50 × 243,850.50
4. Step 4: Simplify right side
   155,610x = 59,463,066,350.25
5. Step 5: Solve for x
   x = 59,463,066,350.25/155,610
6. Step 6: Final answer
   x = 382,128.82