Finding the Third Proportional to 1,224,438 and 2,648,334

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,438 : 2,648,334 = 2,648,334 : x
2. Step 2: Convert to fraction form
   1,224,438/2,648,334 = 2,648,334/x
3. Step 3: Cross multiply
   1,224,438x = 2,648,334 × 2,648,334
4. Step 4: Simplify right side
   1,224,438x = 7,013,672,975,556
5. Step 5: Solve for x
   x = 7,013,672,975,556/1,224,438
6. Step 6: Final answer
   x = 5,728,075.23