Finding the Third Proportional to 915,392 and 1,993,519

Step by Step Solution

1. Step 1: Write the proportion equation
   915,392 : 1,993,519 = 1,993,519 : x
2. Step 2: Convert to fraction form
   915,392/1,993,519 = 1,993,519/x
3. Step 3: Cross multiply
   915,392x = 1,993,519 × 1,993,519
4. Step 4: Simplify right side
   915,392x = 3,974,118,003,361
5. Step 5: Solve for x
   x = 3,974,118,003,361/915,392
6. Step 6: Final answer
   x = 4,341,438.43