Finding the Third Proportional to 272,562 and 406,179.38

Step by Step Solution

1. Step 1: Write the proportion equation
   272,562 : 406,179.38 = 406,179.38 : x
2. Step 2: Convert to fraction form
   272,562/406,179.38 = 406,179.38/x
3. Step 3: Cross multiply
   272,562x = 406,179.38 × 406,179.38
4. Step 4: Simplify right side
   272,562x = 164,981,684,675.39
5. Step 5: Solve for x
   x = 164,981,684,675.39/272,562
6. Step 6: Final answer
   x = 605,299.66