Finding the Third Proportional to 21,902.25 and 34,318.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,902.25 : 34,318.50 = 34,318.50 : x
2. Step 2: Convert to fraction form
   21,902.25/34,318.50 = 34,318.50/x
3. Step 3: Cross multiply
   21,902.25x = 34,318.50 × 34,318.50
4. Step 4: Simplify right side
   21,902.25x = 1,177,759,442.25
5. Step 5: Solve for x
   x = 1,177,759,442.25/21,902.25
6. Step 6: Final answer
   x = 53,773.45