Finding the Third Proportional to 159,583 and 242,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,583 : 242,690.50 = 242,690.50 : x
2. Step 2: Convert to fraction form
   159,583/242,690.50 = 242,690.50/x
3. Step 3: Cross multiply
   159,583x = 242,690.50 × 242,690.50
4. Step 4: Simplify right side
   159,583x = 58,898,678,790.25
5. Step 5: Solve for x
   x = 58,898,678,790.25/159,583
6. Step 6: Final answer
   x = 369,078.65