Finding the Third Proportional to 1,269,476 and 2,644,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269,476 : 2,644,168 = 2,644,168 : x
2. Step 2: Convert to fraction form
   1,269,476/2,644,168 = 2,644,168/x
3. Step 3: Cross multiply
   1,269,476x = 2,644,168 × 2,644,168
4. Step 4: Simplify right side
   1,269,476x = 6,991,624,412,224
5. Step 5: Solve for x
   x = 6,991,624,412,224/1,269,476
6. Step 6: Final answer
   x = 5,507,488.45