Finding the Third Proportional to 7,810 and 10,603

Step by Step Solution

1. Step 1: Write the proportion equation
   7,810 : 10,603 = 10,603 : x
2. Step 2: Convert to fraction form
   7,810/10,603 = 10,603/x
3. Step 3: Cross multiply
   7,810x = 10,603 × 10,603
4. Step 4: Simplify right side
   7,810x = 112,423,609
5. Step 5: Solve for x
   x = 112,423,609/7,810
6. Step 6: Final answer
   x = 14,394.83