Finding the Third Proportional to 30,495 and 65,217

Step by Step Solution

1. Step 1: Write the proportion equation
   30,495 : 65,217 = 65,217 : x
2. Step 2: Convert to fraction form
   30,495/65,217 = 65,217/x
3. Step 3: Cross multiply
   30,495x = 65,217 × 65,217
4. Step 4: Simplify right side
   30,495x = 4,253,257,089
5. Step 5: Solve for x
   x = 4,253,257,089/30,495
6. Step 6: Final answer
   x = 139,473.92