Finding the Third Proportional to 195,300 and 298,710

Step by Step Solution

1. Step 1: Write the proportion equation
   195,300 : 298,710 = 298,710 : x
2. Step 2: Convert to fraction form
   195,300/298,710 = 298,710/x
3. Step 3: Cross multiply
   195,300x = 298,710 × 298,710
4. Step 4: Simplify right side
   195,300x = 89,227,664,100
5. Step 5: Solve for x
   x = 89,227,664,100/195,300
6. Step 6: Final answer
   x = 456,874.88