Finding the Third Proportional to 906,390 and 1,906,092

Step by Step Solution

1. Step 1: Write the proportion equation
   906,390 : 1,906,092 = 1,906,092 : x
2. Step 2: Convert to fraction form
   906,390/1,906,092 = 1,906,092/x
3. Step 3: Cross multiply
   906,390x = 1,906,092 × 1,906,092
4. Step 4: Simplify right side
   906,390x = 3,633,186,712,464
5. Step 5: Solve for x
   x = 3,633,186,712,464/906,390
6. Step 6: Final answer
   x = 4,008,414.38