Finding the Third Proportional to 1,903,449 and 4,120,530

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,449 : 4,120,530 = 4,120,530 : x
2. Step 2: Convert to fraction form
   1,903,449/4,120,530 = 4,120,530/x
3. Step 3: Cross multiply
   1,903,449x = 4,120,530 × 4,120,530
4. Step 4: Simplify right side
   1,903,449x = 16,978,767,480,900
5. Step 5: Solve for x
   x = 16,978,767,480,900/1,903,449
6. Step 6: Final answer
   x = 8,920,001.26