Finding the Third Proportional to 243,085.50 and 367,981.88

Step by Step Solution

1. Step 1: Write the proportion equation
   243,085.50 : 367,981.88 = 367,981.88 : x
2. Step 2: Convert to fraction form
   243,085.50/367,981.88 = 367,981.88/x
3. Step 3: Cross multiply
   243,085.50x = 367,981.88 × 367,981.88
4. Step 4: Simplify right side
   243,085.50x = 135,410,660,328.52
5. Step 5: Solve for x
   x = 135,410,660,328.52/243,085.50
6. Step 6: Final answer
   x = 557,049.52