Finding the Third Proportional to 155,963 and 222,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,963 : 222,280.50 = 222,280.50 : x
2. Step 2: Convert to fraction form
   155,963/222,280.50 = 222,280.50/x
3. Step 3: Cross multiply
   155,963x = 222,280.50 × 222,280.50
4. Step 4: Simplify right side
   155,963x = 49,408,620,680.25
5. Step 5: Solve for x
   x = 49,408,620,680.25/155,963
6. Step 6: Final answer
   x = 316,797.07