Finding the Third Proportional to 21,318.19 and 29,782.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,318.19 : 29,782.69 = 29,782.69 : x
2. Step 2: Convert to fraction form
   21,318.19/29,782.69 = 29,782.69/x
3. Step 3: Cross multiply
   21,318.19x = 29,782.69 × 29,782.69
4. Step 4: Simplify right side
   21,318.19x = 887,008,474.72
5. Step 5: Solve for x
   x = 887,008,474.72/21,318.19
6. Step 6: Final answer
   x = 41,608.06