Finding the Third Proportional to 201,711 and 434,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,711 : 434,542.50 = 434,542.50 : x
2. Step 2: Convert to fraction form
   201,711/434,542.50 = 434,542.50/x
3. Step 3: Cross multiply
   201,711x = 434,542.50 × 434,542.50
4. Step 4: Simplify right side
   201,711x = 188,827,184,306.25
5. Step 5: Solve for x
   x = 188,827,184,306.25/201,711
6. Step 6: Final answer
   x = 936,127.35