Finding the Third Proportional to 1,070,978 and 1,427,811

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070,978 : 1,427,811 = 1,427,811 : x
2. Step 2: Convert to fraction form
   1,070,978/1,427,811 = 1,427,811/x
3. Step 3: Cross multiply
   1,070,978x = 1,427,811 × 1,427,811
4. Step 4: Simplify right side
   1,070,978x = 2,038,644,251,721
5. Step 5: Solve for x
   x = 2,038,644,251,721/1,070,978
6. Step 6: Final answer
   x = 1,903,535.13