Finding the Third Proportional to 269,898 and 403,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,898 : 403,359.50 = 403,359.50 : x
2. Step 2: Convert to fraction form
   269,898/403,359.50 = 403,359.50/x
3. Step 3: Cross multiply
   269,898x = 403,359.50 × 403,359.50
4. Step 4: Simplify right side
   269,898x = 162,698,886,240.25
5. Step 5: Solve for x
   x = 162,698,886,240.25/269,898
6. Step 6: Final answer
   x = 602,816.20