Finding the Third Proportional to 550,638 and 1,163,484

Step by Step Solution

1. Step 1: Write the proportion equation
   550,638 : 1,163,484 = 1,163,484 : x
2. Step 2: Convert to fraction form
   550,638/1,163,484 = 1,163,484/x
3. Step 3: Cross multiply
   550,638x = 1,163,484 × 1,163,484
4. Step 4: Simplify right side
   550,638x = 1,353,695,018,256
5. Step 5: Solve for x
   x = 1,353,695,018,256/550,638
6. Step 6: Final answer
   x = 2,458,411.91