Finding the Third Proportional to 550,380 and 1,209,006

Step by Step Solution

1. Step 1: Write the proportion equation
   550,380 : 1,209,006 = 1,209,006 : x
2. Step 2: Convert to fraction form
   550,380/1,209,006 = 1,209,006/x
3. Step 3: Cross multiply
   550,380x = 1,209,006 × 1,209,006
4. Step 4: Simplify right side
   550,380x = 1,461,695,508,036
5. Step 5: Solve for x
   x = 1,461,695,508,036/550,380
6. Step 6: Final answer
   x = 2,655,793.28