Finding the Third Proportional to 19,090.69 and 30,207.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,090.69 : 30,207.94 = 30,207.94 : x
2. Step 2: Convert to fraction form
   19,090.69/30,207.94 = 30,207.94/x
3. Step 3: Cross multiply
   19,090.69x = 30,207.94 × 30,207.94
4. Step 4: Simplify right side
   19,090.69x = 912,519,488.00
5. Step 5: Solve for x
   x = 912,519,488.00/19,090.69
6. Step 6: Final answer
   x = 47,799.19