Finding the Third Proportional to 173,481 and 268,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,481 : 268,099.50 = 268,099.50 : x
2. Step 2: Convert to fraction form
   173,481/268,099.50 = 268,099.50/x
3. Step 3: Cross multiply
   173,481x = 268,099.50 × 268,099.50
4. Step 4: Simplify right side
   173,481x = 71,877,341,900.25
5. Step 5: Solve for x
   x = 71,877,341,900.25/173,481
6. Step 6: Final answer
   x = 414,324.00