Finding the Third Proportional to 740,137 and 1,538,451

Step by Step Solution

1. Step 1: Write the proportion equation
   740,137 : 1,538,451 = 1,538,451 : x
2. Step 2: Convert to fraction form
   740,137/1,538,451 = 1,538,451/x
3. Step 3: Cross multiply
   740,137x = 1,538,451 × 1,538,451
4. Step 4: Simplify right side
   740,137x = 2,366,831,479,401
5. Step 5: Solve for x
   x = 2,366,831,479,401/740,137
6. Step 6: Final answer
   x = 3,197,828.89