Finding the Third Proportional to 5,090 and 5,090

Step by Step Solution

1. Step 1: Write the proportion equation
   5,090 : 5,090 = 5,090 : x
2. Step 2: Convert to fraction form
   5,090/5,090 = 5,090/x
3. Step 3: Cross multiply
   5,090x = 5,090 × 5,090
4. Step 4: Simplify right side
   5,090x = 25,908,100
5. Step 5: Solve for x
   x = 25,908,100/5,090
6. Step 6: Final answer
   x = 5,090