Finding the Third Proportional to 20,938.50 and 45,564.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,938.50 : 45,564.75 = 45,564.75 : x
2. Step 2: Convert to fraction form
   20,938.50/45,564.75 = 45,564.75/x
3. Step 3: Cross multiply
   20,938.50x = 45,564.75 × 45,564.75
4. Step 4: Simplify right side
   20,938.50x = 2,076,146,442.56
5. Step 5: Solve for x
   x = 2,076,146,442.56/20,938.50
6. Step 6: Final answer
   x = 99,154.50