Finding the Third Proportional to 30,210 and 65,282

Step by Step Solution

1. Step 1: Write the proportion equation
   30,210 : 65,282 = 65,282 : x
2. Step 2: Convert to fraction form
   30,210/65,282 = 65,282/x
3. Step 3: Cross multiply
   30,210x = 65,282 × 65,282
4. Step 4: Simplify right side
   30,210x = 4,261,739,524
5. Step 5: Solve for x
   x = 4,261,739,524/30,210
6. Step 6: Final answer
   x = 141,070.49