Finding the Third Proportional to 13,482 and 31,489.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,482 : 31,489.50 = 31,489.50 : x
2. Step 2: Convert to fraction form
   13,482/31,489.50 = 31,489.50/x
3. Step 3: Cross multiply
   13,482x = 31,489.50 × 31,489.50
4. Step 4: Simplify right side
   13,482x = 991,588,610.25
5. Step 5: Solve for x
   x = 991,588,610.25/13,482
6. Step 6: Final answer
   x = 73,549.07