Finding the Third Proportional to 21,459.94 and 51,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,459.94 : 51,394.50 = 51,394.50 : x
2. Step 2: Convert to fraction form
   21,459.94/51,394.50 = 51,394.50/x
3. Step 3: Cross multiply
   21,459.94x = 51,394.50 × 51,394.50
4. Step 4: Simplify right side
   21,459.94x = 2,641,394,630.25
5. Step 5: Solve for x
   x = 2,641,394,630.25/21,459.94
6. Step 6: Final answer
   x = 123,084.92