Finding the Third Proportional to 7,116 and 10,490

Step by Step Solution

1. Step 1: Write the proportion equation
   7,116 : 10,490 = 10,490 : x
2. Step 2: Convert to fraction form
   7,116/10,490 = 10,490/x
3. Step 3: Cross multiply
   7,116x = 10,490 × 10,490
4. Step 4: Simplify right side
   7,116x = 110,040,100
5. Step 5: Solve for x
   x = 110,040,100/7,116
6. Step 6: Final answer
   x = 15,463.76