Finding the Third Proportional to 1,203,673 and 1,869,783

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,673 : 1,869,783 = 1,869,783 : x
2. Step 2: Convert to fraction form
   1,203,673/1,869,783 = 1,869,783/x
3. Step 3: Cross multiply
   1,203,673x = 1,869,783 × 1,869,783
4. Step 4: Simplify right side
   1,203,673x = 3,496,088,467,089
5. Step 5: Solve for x
   x = 3,496,088,467,089/1,203,673
6. Step 6: Final answer
   x = 2,904,516.81