Finding the Third Proportional to 13,353 and 30,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,353 : 30,911.50 = 30,911.50 : x
2. Step 2: Convert to fraction form
   13,353/30,911.50 = 30,911.50/x
3. Step 3: Cross multiply
   13,353x = 30,911.50 × 30,911.50
4. Step 4: Simplify right side
   13,353x = 955,520,832.25
5. Step 5: Solve for x
   x = 955,520,832.25/13,353
6. Step 6: Final answer
   x = 71,558.51