Finding the Third Proportional to 4,810.50 and 7,290

Step by Step Solution

1. Step 1: Write the proportion equation
   4,810.50 : 7,290 = 7,290 : x
2. Step 2: Convert to fraction form
   4,810.50/7,290 = 7,290/x
3. Step 3: Cross multiply
   4,810.50x = 7,290 × 7,290
4. Step 4: Simplify right side
   4,810.50x = 53,144,100
5. Step 5: Solve for x
   x = 53,144,100/4,810.50
6. Step 6: Final answer
   x = 11,047.52