Finding the Third Proportional to 21,892 and 34,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,892 : 34,670.50 = 34,670.50 : x
2. Step 2: Convert to fraction form
   21,892/34,670.50 = 34,670.50/x
3. Step 3: Cross multiply
   21,892x = 34,670.50 × 34,670.50
4. Step 4: Simplify right side
   21,892x = 1,202,043,570.25
5. Step 5: Solve for x
   x = 1,202,043,570.25/21,892
6. Step 6: Final answer
   x = 54,907.89