Finding the Third Proportional to 643,797 and 1,019,196

Step by Step Solution

1. Step 1: Write the proportion equation
   643,797 : 1,019,196 = 1,019,196 : x
2. Step 2: Convert to fraction form
   643,797/1,019,196 = 1,019,196/x
3. Step 3: Cross multiply
   643,797x = 1,019,196 × 1,019,196
4. Step 4: Simplify right side
   643,797x = 1,038,760,486,416
5. Step 5: Solve for x
   x = 1,038,760,486,416/643,797
6. Step 6: Final answer
   x = 1,613,490.72