Finding the Third Proportional to 1,020,618 and 2,197,242

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,618 : 2,197,242 = 2,197,242 : x
2. Step 2: Convert to fraction form
   1,020,618/2,197,242 = 2,197,242/x
3. Step 3: Cross multiply
   1,020,618x = 2,197,242 × 2,197,242
4. Step 4: Simplify right side
   1,020,618x = 4,827,872,406,564
5. Step 5: Solve for x
   x = 4,827,872,406,564/1,020,618
6. Step 6: Final answer
   x = 4,730,342.21