Finding the Third Proportional to 554,160 and 1,212,000

Step by Step Solution

1. Step 1: Write the proportion equation
   554,160 : 1,212,000 = 1,212,000 : x
2. Step 2: Convert to fraction form
   554,160/1,212,000 = 1,212,000/x
3. Step 3: Cross multiply
   554,160x = 1,212,000 × 1,212,000
4. Step 4: Simplify right side
   554,160x = 1,468,944,000,000
5. Step 5: Solve for x
   x = 1,468,944,000,000/554,160
6. Step 6: Final answer
   x = 2,650,757.90