Finding the Third Proportional to 11,640,019 and 17,621,062

Step by Step Solution

1. Step 1: Write the proportion equation
   11,640,019 : 17,621,062 = 17,621,062 : x
2. Step 2: Convert to fraction form
   11,640,019/17,621,062 = 17,621,062/x
3. Step 3: Cross multiply
   11,640,019x = 17,621,062 × 17,621,062
4. Step 4: Simplify right side
   11,640,019x = 310,501,826,007,844
5. Step 5: Solve for x
   x = 310,501,826,007,844/11,640,019
6. Step 6: Final answer
   x = 26,675,371.06