Finding the Third Proportional to 11,507,156 and 17,470,689

Step by Step Solution

1. Step 1: Write the proportion equation
   11,507,156 : 17,470,689 = 17,470,689 : x
2. Step 2: Convert to fraction form
   11,507,156/17,470,689 = 17,470,689/x
3. Step 3: Cross multiply
   11,507,156x = 17,470,689 × 17,470,689
4. Step 4: Simplify right side
   11,507,156x = 305,224,974,134,721
5. Step 5: Solve for x
   x = 305,224,974,134,721/11,507,156
6. Step 6: Final answer
   x = 26,524,796.76