Finding the Third Proportional to 40,359.94 and 56,426.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,359.94 : 56,426.63 = 56,426.63 : x
2. Step 2: Convert to fraction form
   40,359.94/56,426.63 = 56,426.63/x
3. Step 3: Cross multiply
   40,359.94x = 56,426.63 × 56,426.63
4. Step 4: Simplify right side
   40,359.94x = 3,183,964,008.89
5. Step 5: Solve for x
   x = 3,183,964,008.89/40,359.94
6. Step 6: Final answer
   x = 78,889.22