Finding the Third Proportional to 903,142 and 1,399,176

Step by Step Solution

1. Step 1: Write the proportion equation
   903,142 : 1,399,176 = 1,399,176 : x
2. Step 2: Convert to fraction form
   903,142/1,399,176 = 1,399,176/x
3. Step 3: Cross multiply
   903,142x = 1,399,176 × 1,399,176
4. Step 4: Simplify right side
   903,142x = 1,957,693,478,976
5. Step 5: Solve for x
   x = 1,957,693,478,976/903,142
6. Step 6: Final answer
   x = 2,167,647.48