Finding the Third Proportional to 550,795 and 1,209,988

Step by Step Solution

1. Step 1: Write the proportion equation
   550,795 : 1,209,988 = 1,209,988 : x
2. Step 2: Convert to fraction form
   550,795/1,209,988 = 1,209,988/x
3. Step 3: Cross multiply
   550,795x = 1,209,988 × 1,209,988
4. Step 4: Simplify right side
   550,795x = 1,464,070,960,144
5. Step 5: Solve for x
   x = 1,464,070,960,144/550,795
6. Step 6: Final answer
   x = 2,658,105.03