Finding the Third Proportional to 30,363 and 65,910

Step by Step Solution

1. Step 1: Write the proportion equation
   30,363 : 65,910 = 65,910 : x
2. Step 2: Convert to fraction form
   30,363/65,910 = 65,910/x
3. Step 3: Cross multiply
   30,363x = 65,910 × 65,910
4. Step 4: Simplify right side
   30,363x = 4,344,128,100
5. Step 5: Solve for x
   x = 4,344,128,100/30,363
6. Step 6: Final answer
   x = 143,073.09