Finding the Third Proportional to 42,172 and 88,241

Step by Step Solution

1. Step 1: Write the proportion equation
   42,172 : 88,241 = 88,241 : x
2. Step 2: Convert to fraction form
   42,172/88,241 = 88,241/x
3. Step 3: Cross multiply
   42,172x = 88,241 × 88,241
4. Step 4: Simplify right side
   42,172x = 7,786,474,081
5. Step 5: Solve for x
   x = 7,786,474,081/42,172
6. Step 6: Final answer
   x = 184,636.11