Finding the Third Proportional to 1,990,732 and 4,354,031

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,732 : 4,354,031 = 4,354,031 : x
2. Step 2: Convert to fraction form
   1,990,732/4,354,031 = 4,354,031/x
3. Step 3: Cross multiply
   1,990,732x = 4,354,031 × 4,354,031
4. Step 4: Simplify right side
   1,990,732x = 18,957,585,948,961
5. Step 5: Solve for x
   x = 18,957,585,948,961/1,990,732
6. Step 6: Final answer
   x = 9,522,922.20