Finding the Third Proportional to 31,408.59 and 48,570.89

Step by Step Solution

1. Step 1: Write the proportion equation
   31,408.59 : 48,570.89 = 48,570.89 : x
2. Step 2: Convert to fraction form
   31,408.59/48,570.89 = 48,570.89/x
3. Step 3: Cross multiply
   31,408.59x = 48,570.89 × 48,570.89
4. Step 4: Simplify right side
   31,408.59x = 2,359,131,416.11
5. Step 5: Solve for x
   x = 2,359,131,416.11/31,408.59
6. Step 6: Final answer
   x = 75,111.02