Finding the Third Proportional to 909,858 and 1,985,348

Step by Step Solution

1. Step 1: Write the proportion equation
   909,858 : 1,985,348 = 1,985,348 : x
2. Step 2: Convert to fraction form
   909,858/1,985,348 = 1,985,348/x
3. Step 3: Cross multiply
   909,858x = 1,985,348 × 1,985,348
4. Step 4: Simplify right side
   909,858x = 3,941,606,681,104
5. Step 5: Solve for x
   x = 3,941,606,681,104/909,858
6. Step 6: Final answer
   x = 4,332,111.91