Finding the Third Proportional to 36,991.50 and 56,408.75

Step by Step Solution

1. Step 1: Write the proportion equation
   36,991.50 : 56,408.75 = 56,408.75 : x
2. Step 2: Convert to fraction form
   36,991.50/56,408.75 = 56,408.75/x
3. Step 3: Cross multiply
   36,991.50x = 56,408.75 × 56,408.75
4. Step 4: Simplify right side
   36,991.50x = 3,181,947,076.56
5. Step 5: Solve for x
   x = 3,181,947,076.56/36,991.50
6. Step 6: Final answer
   x = 86,018.33