Finding the Third Proportional to 554,896 and 1,212,528

Step by Step Solution

1. Step 1: Write the proportion equation
   554,896 : 1,212,528 = 1,212,528 : x
2. Step 2: Convert to fraction form
   554,896/1,212,528 = 1,212,528/x
3. Step 3: Cross multiply
   554,896x = 1,212,528 × 1,212,528
4. Step 4: Simplify right side
   554,896x = 1,470,224,150,784
5. Step 5: Solve for x
   x = 1,470,224,150,784/554,896
6. Step 6: Final answer
   x = 2,649,549.02