Finding the Third Proportional to 159,724 and 239,590.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,724 : 239,590.50 = 239,590.50 : x
2. Step 2: Convert to fraction form
   159,724/239,590.50 = 239,590.50/x
3. Step 3: Cross multiply
   159,724x = 239,590.50 × 239,590.50
4. Step 4: Simplify right side
   159,724x = 57,403,607,690.25
5. Step 5: Solve for x
   x = 57,403,607,690.25/159,724
6. Step 6: Final answer
   x = 359,392.50