Finding the Third Proportional to 613,476 and 1,257,478

Step by Step Solution

1. Step 1: Write the proportion equation
   613,476 : 1,257,478 = 1,257,478 : x
2. Step 2: Convert to fraction form
   613,476/1,257,478 = 1,257,478/x
3. Step 3: Cross multiply
   613,476x = 1,257,478 × 1,257,478
4. Step 4: Simplify right side
   613,476x = 1,581,250,920,484
5. Step 5: Solve for x
   x = 1,581,250,920,484/613,476
6. Step 6: Final answer
   x = 2,577,526.95