Finding the Third Proportional to 21,839.25 and 47,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,839.25 : 47,386.50 = 47,386.50 : x
2. Step 2: Convert to fraction form
   21,839.25/47,386.50 = 47,386.50/x
3. Step 3: Cross multiply
   21,839.25x = 47,386.50 × 47,386.50
4. Step 4: Simplify right side
   21,839.25x = 2,245,480,382.25
5. Step 5: Solve for x
   x = 2,245,480,382.25/21,839.25
6. Step 6: Final answer
   x = 102,818.57