Finding the Third Proportional to 41,978.25 and 66,468.94

Step by Step Solution

1. Step 1: Write the proportion equation
   41,978.25 : 66,468.94 = 66,468.94 : x
2. Step 2: Convert to fraction form
   41,978.25/66,468.94 = 66,468.94/x
3. Step 3: Cross multiply
   41,978.25x = 66,468.94 × 66,468.94
4. Step 4: Simplify right side
   41,978.25x = 4,418,119,652.38
5. Step 5: Solve for x
   x = 4,418,119,652.38/41,978.25
6. Step 6: Final answer
   x = 105,247.83