Finding the Third Proportional to 195,622 and 428,650

Step by Step Solution

1. Step 1: Write the proportion equation
   195,622 : 428,650 = 428,650 : x
2. Step 2: Convert to fraction form
   195,622/428,650 = 428,650/x
3. Step 3: Cross multiply
   195,622x = 428,650 × 428,650
4. Step 4: Simplify right side
   195,622x = 183,740,822,500
5. Step 5: Solve for x
   x = 183,740,822,500/195,622
6. Step 6: Final answer
   x = 939,264.61