Finding the Third Proportional to 1,294,972 and 2,031,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294,972 : 2,031,420 = 2,031,420 : x
2. Step 2: Convert to fraction form
   1,294,972/2,031,420 = 2,031,420/x
3. Step 3: Cross multiply
   1,294,972x = 2,031,420 × 2,031,420
4. Step 4: Simplify right side
   1,294,972x = 4,126,667,216,400
5. Step 5: Solve for x
   x = 4,126,667,216,400/1,294,972
6. Step 6: Final answer
   x = 3,186,684.51