Finding the Third Proportional to 1,801,390 and 3,957,074

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801,390 : 3,957,074 = 3,957,074 : x
2. Step 2: Convert to fraction form
   1,801,390/3,957,074 = 3,957,074/x
3. Step 3: Cross multiply
   1,801,390x = 3,957,074 × 3,957,074
4. Step 4: Simplify right side
   1,801,390x = 15,658,434,641,476
5. Step 5: Solve for x
   x = 15,658,434,641,476/1,801,390
6. Step 6: Final answer
   x = 8,692,417.88