Finding the Third Proportional to 6,422,515 and 10,543,526

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422,515 : 10,543,526 = 10,543,526 : x
2. Step 2: Convert to fraction form
   6,422,515/10,543,526 = 10,543,526/x
3. Step 3: Cross multiply
   6,422,515x = 10,543,526 × 10,543,526
4. Step 4: Simplify right side
   6,422,515x = 111,165,940,512,676
5. Step 5: Solve for x
   x = 111,165,940,512,676/6,422,515
6. Step 6: Final answer
   x = 17,308,786.44