Finding the Third Proportional to 13,263 and 31,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,263 : 31,315.50 = 31,315.50 : x
2. Step 2: Convert to fraction form
   13,263/31,315.50 = 31,315.50/x
3. Step 3: Cross multiply
   13,263x = 31,315.50 × 31,315.50
4. Step 4: Simplify right side
   13,263x = 980,660,540.25
5. Step 5: Solve for x
   x = 980,660,540.25/13,263
6. Step 6: Final answer
   x = 73,939.57