Finding the Third Proportional to 7,119.98 and 15,611.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,119.98 : 15,611.48 = 15,611.48 : x
2. Step 2: Convert to fraction form
   7,119.98/15,611.48 = 15,611.48/x
3. Step 3: Cross multiply
   7,119.98x = 15,611.48 × 15,611.48
4. Step 4: Simplify right side
   7,119.98x = 243,718,444.39
5. Step 5: Solve for x
   x = 243,718,444.39/7,119.98
6. Step 6: Final answer
   x = 34,230.19