Finding the Third Proportional to 1,309,216 and 2,031,929

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,216 : 2,031,929 = 2,031,929 : x
2. Step 2: Convert to fraction form
   1,309,216/2,031,929 = 2,031,929/x
3. Step 3: Cross multiply
   1,309,216x = 2,031,929 × 2,031,929
4. Step 4: Simplify right side
   1,309,216x = 4,128,735,461,041
5. Step 5: Solve for x
   x = 4,128,735,461,041/1,309,216
6. Step 6: Final answer
   x = 3,153,593.80