Finding the Third Proportional to 13,851.56 and 30,619.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,851.56 : 30,619.13 = 30,619.13 : x
2. Step 2: Convert to fraction form
   13,851.56/30,619.13 = 30,619.13/x
3. Step 3: Cross multiply
   13,851.56x = 30,619.13 × 30,619.13
4. Step 4: Simplify right side
   13,851.56x = 937,530,815.77
5. Step 5: Solve for x
   x = 937,530,815.77/13,851.56
6. Step 6: Final answer
   x = 67,684.12