Finding the Third Proportional to 51,804.56 and 64,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,804.56 : 64,273.50 = 64,273.50 : x
2. Step 2: Convert to fraction form
   51,804.56/64,273.50 = 64,273.50/x
3. Step 3: Cross multiply
   51,804.56x = 64,273.50 × 64,273.50
4. Step 4: Simplify right side
   51,804.56x = 4,131,082,802.25
5. Step 5: Solve for x
   x = 4,131,082,802.25/51,804.56
6. Step 6: Final answer
   x = 79,743.61