Finding the Third Proportional to 158,760 and 243,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,760 : 243,196.50 = 243,196.50 : x
2. Step 2: Convert to fraction form
   158,760/243,196.50 = 243,196.50/x
3. Step 3: Cross multiply
   158,760x = 243,196.50 × 243,196.50
4. Step 4: Simplify right side
   158,760x = 59,144,537,612.25
5. Step 5: Solve for x
   x = 59,144,537,612.25/158,760
6. Step 6: Final answer
   x = 372,540.55