Finding the Third Proportional to 658,773 and 1,438,020

Step by Step Solution

1. Step 1: Write the proportion equation
   658,773 : 1,438,020 = 1,438,020 : x
2. Step 2: Convert to fraction form
   658,773/1,438,020 = 1,438,020/x
3. Step 3: Cross multiply
   658,773x = 1,438,020 × 1,438,020
4. Step 4: Simplify right side
   658,773x = 2,067,901,520,400
5. Step 5: Solve for x
   x = 2,067,901,520,400/658,773
6. Step 6: Final answer
   x = 3,139,019.85