Finding the Third Proportional to 20,792.50 and 45,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,792.50 : 45,570.50 = 45,570.50 : x
2. Step 2: Convert to fraction form
   20,792.50/45,570.50 = 45,570.50/x
3. Step 3: Cross multiply
   20,792.50x = 45,570.50 × 45,570.50
4. Step 4: Simplify right side
   20,792.50x = 2,076,670,470.25
5. Step 5: Solve for x
   x = 2,076,670,470.25/20,792.50
6. Step 6: Final answer
   x = 99,875.94