Finding the Third Proportional to 13,621.50 and 31,833

Step by Step Solution

1. Step 1: Write the proportion equation
   13,621.50 : 31,833 = 31,833 : x
2. Step 2: Convert to fraction form
   13,621.50/31,833 = 31,833/x
3. Step 3: Cross multiply
   13,621.50x = 31,833 × 31,833
4. Step 4: Simplify right side
   13,621.50x = 1,013,339,889
5. Step 5: Solve for x
   x = 1,013,339,889/13,621.50
6. Step 6: Final answer
   x = 74,392.68