Finding the Third Proportional to 200,928 and 272,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,928 : 272,886.50 = 272,886.50 : x
2. Step 2: Convert to fraction form
   200,928/272,886.50 = 272,886.50/x
3. Step 3: Cross multiply
   200,928x = 272,886.50 × 272,886.50
4. Step 4: Simplify right side
   200,928x = 74,467,041,882.25
5. Step 5: Solve for x
   x = 74,467,041,882.25/200,928
6. Step 6: Final answer
   x = 370,615.55