Finding the Third Proportional to 11,079,621 and 17,019,654

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079,621 : 17,019,654 = 17,019,654 : x
2. Step 2: Convert to fraction form
   11,079,621/17,019,654 = 17,019,654/x
3. Step 3: Cross multiply
   11,079,621x = 17,019,654 × 17,019,654
4. Step 4: Simplify right side
   11,079,621x = 289,668,622,279,716
5. Step 5: Solve for x
   x = 289,668,622,279,716/11,079,621
6. Step 6: Final answer
   x = 26,144,271.75