Finding the Third Proportional to 19,952 and 42,211

Step by Step Solution

1. Step 1: Write the proportion equation
   19,952 : 42,211 = 42,211 : x
2. Step 2: Convert to fraction form
   19,952/42,211 = 42,211/x
3. Step 3: Cross multiply
   19,952x = 42,211 × 42,211
4. Step 4: Simplify right side
   19,952x = 1,781,768,521
5. Step 5: Solve for x
   x = 1,781,768,521/19,952
6. Step 6: Final answer
   x = 89,302.75