Finding the Third Proportional to 11,648.81 and 18,070.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,648.81 : 18,070.59 = 18,070.59 : x
2. Step 2: Convert to fraction form
   11,648.81/18,070.59 = 18,070.59/x
3. Step 3: Cross multiply
   11,648.81x = 18,070.59 × 18,070.59
4. Step 4: Simplify right side
   11,648.81x = 326,546,358.48
5. Step 5: Solve for x
   x = 326,546,358.48/11,648.81
6. Step 6: Final answer
   x = 28,032.59