Finding the Third Proportional to 21,565.50 and 47,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,565.50 : 47,143.50 = 47,143.50 : x
2. Step 2: Convert to fraction form
   21,565.50/47,143.50 = 47,143.50/x
3. Step 3: Cross multiply
   21,565.50x = 47,143.50 × 47,143.50
4. Step 4: Simplify right side
   21,565.50x = 2,222,509,592.25
5. Step 5: Solve for x
   x = 2,222,509,592.25/21,565.50
6. Step 6: Final answer
   x = 103,058.57