Finding the Third Proportional to 23,172 and 30,558

Step by Step Solution

1. Step 1: Write the proportion equation
   23,172 : 30,558 = 30,558 : x
2. Step 2: Convert to fraction form
   23,172/30,558 = 30,558/x
3. Step 3: Cross multiply
   23,172x = 30,558 × 30,558
4. Step 4: Simplify right side
   23,172x = 933,791,364
5. Step 5: Solve for x
   x = 933,791,364/23,172
6. Step 6: Final answer
   x = 40,298.26