Finding the Third Proportional to 40,970.25 and 55,353.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,970.25 : 55,353.75 = 55,353.75 : x
2. Step 2: Convert to fraction form
   40,970.25/55,353.75 = 55,353.75/x
3. Step 3: Cross multiply
   40,970.25x = 55,353.75 × 55,353.75
4. Step 4: Simplify right side
   40,970.25x = 3,064,037,639.06
5. Step 5: Solve for x
   x = 3,064,037,639.06/40,970.25
6. Step 6: Final answer
   x = 74,786.89