Finding the Third Proportional to 201,279 and 434,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,279 : 434,089.50 = 434,089.50 : x
2. Step 2: Convert to fraction form
   201,279/434,089.50 = 434,089.50/x
3. Step 3: Cross multiply
   201,279x = 434,089.50 × 434,089.50
4. Step 4: Simplify right side
   201,279x = 188,433,694,010.25
5. Step 5: Solve for x
   x = 188,433,694,010.25/201,279
6. Step 6: Final answer
   x = 936,181.59