Finding the Third Proportional to 553,328 and 1,210,848

Step by Step Solution

1. Step 1: Write the proportion equation
   553,328 : 1,210,848 = 1,210,848 : x
2. Step 2: Convert to fraction form
   553,328/1,210,848 = 1,210,848/x
3. Step 3: Cross multiply
   553,328x = 1,210,848 × 1,210,848
4. Step 4: Simplify right side
   553,328x = 1,466,152,879,104
5. Step 5: Solve for x
   x = 1,466,152,879,104/553,328
6. Step 6: Final answer
   x = 2,649,699.42