Finding the Third Proportional to 200,666.50 and 275,164.88

Step by Step Solution

1. Step 1: Write the proportion equation
   200,666.50 : 275,164.88 = 275,164.88 : x
2. Step 2: Convert to fraction form
   200,666.50/275,164.88 = 275,164.88/x
3. Step 3: Cross multiply
   200,666.50x = 275,164.88 × 275,164.88
4. Step 4: Simplify right side
   200,666.50x = 75,715,708,433.77
5. Step 5: Solve for x
   x = 75,715,708,433.77/200,666.50
6. Step 6: Final answer
   x = 377,321.12