Finding the Third Proportional to 185,439 and 264,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   185,439 : 264,928.50 = 264,928.50 : x
2. Step 2: Convert to fraction form
   185,439/264,928.50 = 264,928.50/x
3. Step 3: Cross multiply
   185,439x = 264,928.50 × 264,928.50
4. Step 4: Simplify right side
   185,439x = 70,187,110,112.25
5. Step 5: Solve for x
   x = 70,187,110,112.25/185,439
6. Step 6: Final answer
   x = 378,491.63