Finding the Third Proportional to 1,429,137 and 2,031,399

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,137 : 2,031,399 = 2,031,399 : x
2. Step 2: Convert to fraction form
   1,429,137/2,031,399 = 2,031,399/x
3. Step 3: Cross multiply
   1,429,137x = 2,031,399 × 2,031,399
4. Step 4: Simplify right side
   1,429,137x = 4,126,581,897,201
5. Step 5: Solve for x
   x = 4,126,581,897,201/1,429,137
6. Step 6: Final answer
   x = 2,887,464.18