Finding the Third Proportional to 36,453.80 and 75,436.31

Step by Step Solution

1. Step 1: Write the proportion equation
   36,453.80 : 75,436.31 = 75,436.31 : x
2. Step 2: Convert to fraction form
   36,453.80/75,436.31 = 75,436.31/x
3. Step 3: Cross multiply
   36,453.80x = 75,436.31 × 75,436.31
4. Step 4: Simplify right side
   36,453.80x = 5,690,637,243.60
5. Step 5: Solve for x
   x = 5,690,637,243.60/36,453.80
6. Step 6: Final answer
   x = 156,105.47