Finding the Third Proportional to 729,285 and 1,103,990

Step by Step Solution

1. Step 1: Write the proportion equation
   729,285 : 1,103,990 = 1,103,990 : x
2. Step 2: Convert to fraction form
   729,285/1,103,990 = 1,103,990/x
3. Step 3: Cross multiply
   729,285x = 1,103,990 × 1,103,990
4. Step 4: Simplify right side
   729,285x = 1,218,793,920,100
5. Step 5: Solve for x
   x = 1,218,793,920,100/729,285
6. Step 6: Final answer
   x = 1,671,217.59