Finding the Third Proportional to 11,724.75 and 19,090.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,724.75 : 19,090.69 = 19,090.69 : x
2. Step 2: Convert to fraction form
   11,724.75/19,090.69 = 19,090.69/x
3. Step 3: Cross multiply
   11,724.75x = 19,090.69 × 19,090.69
4. Step 4: Simplify right side
   11,724.75x = 364,454,349.22
5. Step 5: Solve for x
   x = 364,454,349.22/11,724.75
6. Step 6: Final answer
   x = 31,084.19