Finding the Third Proportional to 200,907 and 272,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,907 : 272,857.50 = 272,857.50 : x
2. Step 2: Convert to fraction form
   200,907/272,857.50 = 272,857.50/x
3. Step 3: Cross multiply
   200,907x = 272,857.50 × 272,857.50
4. Step 4: Simplify right side
   200,907x = 74,451,215,306.25
5. Step 5: Solve for x
   x = 74,451,215,306.25/200,907
6. Step 6: Final answer
   x = 370,575.52