Finding the Third Proportional to 42,164 and 88,972

Step by Step Solution

1. Step 1: Write the proportion equation
   42,164 : 88,972 = 88,972 : x
2. Step 2: Convert to fraction form
   42,164/88,972 = 88,972/x
3. Step 3: Cross multiply
   42,164x = 88,972 × 88,972
4. Step 4: Simplify right side
   42,164x = 7,916,016,784
5. Step 5: Solve for x
   x = 7,916,016,784/42,164
6. Step 6: Final answer
   x = 187,743.50