Finding the Third Proportional to 200,011.50 and 281,341.25

Step by Step Solution

1. Step 1: Write the proportion equation
   200,011.50 : 281,341.25 = 281,341.25 : x
2. Step 2: Convert to fraction form
   200,011.50/281,341.25 = 281,341.25/x
3. Step 3: Cross multiply
   200,011.50x = 281,341.25 × 281,341.25
4. Step 4: Simplify right side
   200,011.50x = 79,152,898,951.56
5. Step 5: Solve for x
   x = 79,152,898,951.56/200,011.50
6. Step 6: Final answer
   x = 395,741.74