Finding the Third Proportional to 1,810,142 and 2,683,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810,142 : 2,683,890 = 2,683,890 : x
2. Step 2: Convert to fraction form
   1,810,142/2,683,890 = 2,683,890/x
3. Step 3: Cross multiply
   1,810,142x = 2,683,890 × 2,683,890
4. Step 4: Simplify right side
   1,810,142x = 7,203,265,532,100
5. Step 5: Solve for x
   x = 7,203,265,532,100/1,810,142
6. Step 6: Final answer
   x = 3,979,392.52