Finding the Third Proportional to 13,621 and 28,618

Step by Step Solution

1. Step 1: Write the proportion equation
   13,621 : 28,618 = 28,618 : x
2. Step 2: Convert to fraction form
   13,621/28,618 = 28,618/x
3. Step 3: Cross multiply
   13,621x = 28,618 × 28,618
4. Step 4: Simplify right side
   13,621x = 818,989,924
5. Step 5: Solve for x
   x = 818,989,924/13,621
6. Step 6: Final answer
   x = 60,127.00