Finding the Third Proportional to 28,618 and 61,468

Step by Step Solution

1. Step 1: Write the proportion equation
   28,618 : 61,468 = 61,468 : x
2. Step 2: Convert to fraction form
   28,618/61,468 = 61,468/x
3. Step 3: Cross multiply
   28,618x = 61,468 × 61,468
4. Step 4: Simplify right side
   28,618x = 3,778,315,024
5. Step 5: Solve for x
   x = 3,778,315,024/28,618
6. Step 6: Final answer
   x = 132,025.82