Finding the Third Proportional to 488,223 and 739,219.50

Step by Step Solution

1. Step 1: Write the proportion equation
   488,223 : 739,219.50 = 739,219.50 : x
2. Step 2: Convert to fraction form
   488,223/739,219.50 = 739,219.50/x
3. Step 3: Cross multiply
   488,223x = 739,219.50 × 739,219.50
4. Step 4: Simplify right side
   488,223x = 546,445,469,180.25
5. Step 5: Solve for x
   x = 546,445,469,180.25/488,223
6. Step 6: Final answer
   x = 1,119,253.84