Finding the Third Proportional to 9,611.16 and 20,659.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,611.16 : 20,659.31 = 20,659.31 : x
2. Step 2: Convert to fraction form
   9,611.16/20,659.31 = 20,659.31/x
3. Step 3: Cross multiply
   9,611.16x = 20,659.31 × 20,659.31
4. Step 4: Simplify right side
   9,611.16x = 426,807,192.97
5. Step 5: Solve for x
   x = 426,807,192.97/9,611.16
6. Step 6: Final answer
   x = 44,407.48