Finding the Third Proportional to 200,662.50 and 275,157

Step by Step Solution

1. Step 1: Write the proportion equation
   200,662.50 : 275,157 = 275,157 : x
2. Step 2: Convert to fraction form
   200,662.50/275,157 = 275,157/x
3. Step 3: Cross multiply
   200,662.50x = 275,157 × 275,157
4. Step 4: Simplify right side
   200,662.50x = 75,711,374,649
5. Step 5: Solve for x
   x = 75,711,374,649/200,662.50
6. Step 6: Final answer
   x = 377,307.04