Finding the Third Proportional to 29,800 and 65,290

Step by Step Solution

1. Step 1: Write the proportion equation
   29,800 : 65,290 = 65,290 : x
2. Step 2: Convert to fraction form
   29,800/65,290 = 65,290/x
3. Step 3: Cross multiply
   29,800x = 65,290 × 65,290
4. Step 4: Simplify right side
   29,800x = 4,262,784,100
5. Step 5: Solve for x
   x = 4,262,784,100/29,800
6. Step 6: Final answer
   x = 143,046.45