Finding the Third Proportional to 40,426.59 and 85,042.41

Step by Step Solution

1. Step 1: Write the proportion equation
   40,426.59 : 85,042.41 = 85,042.41 : x
2. Step 2: Convert to fraction form
   40,426.59/85,042.41 = 85,042.41/x
3. Step 3: Cross multiply
   40,426.59x = 85,042.41 × 85,042.41
4. Step 4: Simplify right side
   40,426.59x = 7,232,210,860.79
5. Step 5: Solve for x
   x = 7,232,210,860.79/40,426.59
6. Step 6: Final answer
   x = 178,897.36