Finding the Third Proportional to 200,947.50 and 272,912.25

Step by Step Solution

1. Step 1: Write the proportion equation
   200,947.50 : 272,912.25 = 272,912.25 : x
2. Step 2: Convert to fraction form
   200,947.50/272,912.25 = 272,912.25/x
3. Step 3: Cross multiply
   200,947.50x = 272,912.25 × 272,912.25
4. Step 4: Simplify right side
   200,947.50x = 74,481,096,200.06
5. Step 5: Solve for x
   x = 74,481,096,200.06/200,947.50
6. Step 6: Final answer
   x = 370,649.53