Finding the Third Proportional to 39,178.69 and 45,010.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,178.69 : 45,010.69 = 45,010.69 : x
2. Step 2: Convert to fraction form
   39,178.69/45,010.69 = 45,010.69/x
3. Step 3: Cross multiply
   39,178.69x = 45,010.69 × 45,010.69
4. Step 4: Simplify right side
   39,178.69x = 2,025,961,989.22
5. Step 5: Solve for x
   x = 2,025,961,989.22/39,178.69
6. Step 6: Final answer
   x = 51,710.82