Finding the Third Proportional to 171,339 and 371,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,339 : 371,280.50 = 371,280.50 : x
2. Step 2: Convert to fraction form
   171,339/371,280.50 = 371,280.50/x
3. Step 3: Cross multiply
   171,339x = 371,280.50 × 371,280.50
4. Step 4: Simplify right side
   171,339x = 137,849,209,680.25
5. Step 5: Solve for x
   x = 137,849,209,680.25/171,339
6. Step 6: Final answer
   x = 804,540.76