Finding the Third Proportional to 21,621.38 and 47,342.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,621.38 : 47,342.25 = 47,342.25 : x
2. Step 2: Convert to fraction form
   21,621.38/47,342.25 = 47,342.25/x
3. Step 3: Cross multiply
   21,621.38x = 47,342.25 × 47,342.25
4. Step 4: Simplify right side
   21,621.38x = 2,241,288,635.06
5. Step 5: Solve for x
   x = 2,241,288,635.06/21,621.38
6. Step 6: Final answer
   x = 103,660.78