Finding the Third Proportional to 200,809.50 and 267,716

Step by Step Solution

1. Step 1: Write the proportion equation
   200,809.50 : 267,716 = 267,716 : x
2. Step 2: Convert to fraction form
   200,809.50/267,716 = 267,716/x
3. Step 3: Cross multiply
   200,809.50x = 267,716 × 267,716
4. Step 4: Simplify right side
   200,809.50x = 71,671,856,656
5. Step 5: Solve for x
   x = 71,671,856,656/200,809.50
6. Step 6: Final answer
   x = 356,914.67