Finding the Third Proportional to 30,436 and 65,168

Step by Step Solution

1. Step 1: Write the proportion equation
   30,436 : 65,168 = 65,168 : x
2. Step 2: Convert to fraction form
   30,436/65,168 = 65,168/x
3. Step 3: Cross multiply
   30,436x = 65,168 × 65,168
4. Step 4: Simplify right side
   30,436x = 4,246,868,224
5. Step 5: Solve for x
   x = 4,246,868,224/30,436
6. Step 6: Final answer
   x = 139,534.37