Finding the Third Proportional to 181,395 and 272,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,395 : 272,788.50 = 272,788.50 : x
2. Step 2: Convert to fraction form
   181,395/272,788.50 = 272,788.50/x
3. Step 3: Cross multiply
   181,395x = 272,788.50 × 272,788.50
4. Step 4: Simplify right side
   181,395x = 74,413,565,732.25
5. Step 5: Solve for x
   x = 74,413,565,732.25/181,395
6. Step 6: Final answer
   x = 410,229.42