Finding the Third Proportional to 10,686.94 and 25,813.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,686.94 : 25,813.69 = 25,813.69 : x
2. Step 2: Convert to fraction form
   10,686.94/25,813.69 = 25,813.69/x
3. Step 3: Cross multiply
   10,686.94x = 25,813.69 × 25,813.69
4. Step 4: Simplify right side
   10,686.94x = 666,346,462.35
5. Step 5: Solve for x
   x = 666,346,462.35/10,686.94
6. Step 6: Final answer
   x = 62,351.49