Finding the Third Proportional to 40,907.25 and 55,244.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,907.25 : 55,244.25 = 55,244.25 : x
2. Step 2: Convert to fraction form
   40,907.25/55,244.25 = 55,244.25/x
3. Step 3: Cross multiply
   40,907.25x = 55,244.25 × 55,244.25
4. Step 4: Simplify right side
   40,907.25x = 3,051,927,158.06
5. Step 5: Solve for x
   x = 3,051,927,158.06/40,907.25
6. Step 6: Final answer
   x = 74,606.02