Finding the Third Proportional to 497,780 and 1,170,090

Step by Step Solution

1. Step 1: Write the proportion equation
   497,780 : 1,170,090 = 1,170,090 : x
2. Step 2: Convert to fraction form
   497,780/1,170,090 = 1,170,090/x
3. Step 3: Cross multiply
   497,780x = 1,170,090 × 1,170,090
4. Step 4: Simplify right side
   497,780x = 1,369,110,608,100
5. Step 5: Solve for x
   x = 1,369,110,608,100/497,780
6. Step 6: Final answer
   x = 2,750,433.14