Finding the Third Proportional to 21,915.56 and 45,243.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,915.56 : 45,243.56 = 45,243.56 : x
2. Step 2: Convert to fraction form
   21,915.56/45,243.56 = 45,243.56/x
3. Step 3: Cross multiply
   21,915.56x = 45,243.56 × 45,243.56
4. Step 4: Simplify right side
   21,915.56x = 2,046,979,947.69
5. Step 5: Solve for x
   x = 2,046,979,947.69/21,915.56
6. Step 6: Final answer
   x = 93,403.03