Finding the Third Proportional to 1,998,866 and 4,370,548

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998,866 : 4,370,548 = 4,370,548 : x
2. Step 2: Convert to fraction form
   1,998,866/4,370,548 = 4,370,548/x
3. Step 3: Cross multiply
   1,998,866x = 4,370,548 × 4,370,548
4. Step 4: Simplify right side
   1,998,866x = 19,101,689,820,304
5. Step 5: Solve for x
   x = 19,101,689,820,304/1,998,866
6. Step 6: Final answer
   x = 9,556,263.31