Finding the Third Proportional to 200,817.50 and 434,696

Step by Step Solution

1. Step 1: Write the proportion equation
   200,817.50 : 434,696 = 434,696 : x
2. Step 2: Convert to fraction form
   200,817.50/434,696 = 434,696/x
3. Step 3: Cross multiply
   200,817.50x = 434,696 × 434,696
4. Step 4: Simplify right side
   200,817.50x = 188,960,612,416
5. Step 5: Solve for x
   x = 188,960,612,416/200,817.50
6. Step 6: Final answer
   x = 940,956.90