Finding the Third Proportional to 550,383 and 1,209,012

Step by Step Solution

1. Step 1: Write the proportion equation
   550,383 : 1,209,012 = 1,209,012 : x
2. Step 2: Convert to fraction form
   550,383/1,209,012 = 1,209,012/x
3. Step 3: Cross multiply
   550,383x = 1,209,012 × 1,209,012
4. Step 4: Simplify right side
   550,383x = 1,461,710,016,144
5. Step 5: Solve for x
   x = 1,461,710,016,144/550,383
6. Step 6: Final answer
   x = 2,655,805.17