Finding the Third Proportional to 10,297.13 and 27,918.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,297.13 : 27,918.42 = 27,918.42 : x
2. Step 2: Convert to fraction form
   10,297.13/27,918.42 = 27,918.42/x
3. Step 3: Cross multiply
   10,297.13x = 27,918.42 × 27,918.42
4. Step 4: Simplify right side
   10,297.13x = 779,438,279.99
5. Step 5: Solve for x
   x = 779,438,279.99/10,297.13
6. Step 6: Final answer
   x = 75,694.75