Finding the Third Proportional to 13,619 and 30,154

Step by Step Solution

1. Step 1: Write the proportion equation
   13,619 : 30,154 = 30,154 : x
2. Step 2: Convert to fraction form
   13,619/30,154 = 30,154/x
3. Step 3: Cross multiply
   13,619x = 30,154 × 30,154
4. Step 4: Simplify right side
   13,619x = 909,263,716
5. Step 5: Solve for x
   x = 909,263,716/13,619
6. Step 6: Final answer
   x = 66,764.35