Finding the Third Proportional to 208,065 and 272,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,065 : 272,038.50 = 272,038.50 : x
2. Step 2: Convert to fraction form
   208,065/272,038.50 = 272,038.50/x
3. Step 3: Cross multiply
   208,065x = 272,038.50 × 272,038.50
4. Step 4: Simplify right side
   208,065x = 74,004,945,482.25
5. Step 5: Solve for x
   x = 74,004,945,482.25/208,065
6. Step 6: Final answer
   x = 355,681.86