Finding the Third Proportional to 36,039.94 and 55,426.78

Step by Step Solution

1. Step 1: Write the proportion equation
   36,039.94 : 55,426.78 = 55,426.78 : x
2. Step 2: Convert to fraction form
   36,039.94/55,426.78 = 55,426.78/x
3. Step 3: Cross multiply
   36,039.94x = 55,426.78 × 55,426.78
4. Step 4: Simplify right side
   36,039.94x = 3,072,128,079.74
5. Step 5: Solve for x
   x = 3,072,128,079.74/36,039.94
6. Step 6: Final answer
   x = 85,242.33