Finding the Third Proportional to 672,404 and 1,439,948

Step by Step Solution

1. Step 1: Write the proportion equation
   672,404 : 1,439,948 = 1,439,948 : x
2. Step 2: Convert to fraction form
   672,404/1,439,948 = 1,439,948/x
3. Step 3: Cross multiply
   672,404x = 1,439,948 × 1,439,948
4. Step 4: Simplify right side
   672,404x = 2,073,450,242,704
5. Step 5: Solve for x
   x = 2,073,450,242,704/672,404
6. Step 6: Final answer
   x = 3,083,637.58