Finding the Third Proportional to 551,808 and 1,209,600

Step by Step Solution

1. Step 1: Write the proportion equation
   551,808 : 1,209,600 = 1,209,600 : x
2. Step 2: Convert to fraction form
   551,808/1,209,600 = 1,209,600/x
3. Step 3: Cross multiply
   551,808x = 1,209,600 × 1,209,600
4. Step 4: Simplify right side
   551,808x = 1,463,132,160,000
5. Step 5: Solve for x
   x = 1,463,132,160,000/551,808
6. Step 6: Final answer
   x = 2,651,524.01