Finding the Third Proportional to 20,772.56 and 45,304.78

Step by Step Solution

1. Step 1: Write the proportion equation
   20,772.56 : 45,304.78 = 45,304.78 : x
2. Step 2: Convert to fraction form
   20,772.56/45,304.78 = 45,304.78/x
3. Step 3: Cross multiply
   20,772.56x = 45,304.78 × 45,304.78
4. Step 4: Simplify right side
   20,772.56x = 2,052,523,204.11
5. Step 5: Solve for x
   x = 2,052,523,204.11/20,772.56
6. Step 6: Final answer
   x = 98,809.34