Finding the Third Proportional to 13,811.91 and 30,236.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,811.91 : 30,236.06 = 30,236.06 : x
2. Step 2: Convert to fraction form
   13,811.91/30,236.06 = 30,236.06/x
3. Step 3: Cross multiply
   13,811.91x = 30,236.06 × 30,236.06
4. Step 4: Simplify right side
   13,811.91x = 914,219,475.50
5. Step 5: Solve for x
   x = 914,219,475.50/13,811.91
6. Step 6: Final answer
   x = 66,190.68