Finding the Third Proportional to 673,484 and 1,045,642

Step by Step Solution

1. Step 1: Write the proportion equation
   673,484 : 1,045,642 = 1,045,642 : x
2. Step 2: Convert to fraction form
   673,484/1,045,642 = 1,045,642/x
3. Step 3: Cross multiply
   673,484x = 1,045,642 × 1,045,642
4. Step 4: Simplify right side
   673,484x = 1,093,367,192,164
5. Step 5: Solve for x
   x = 1,093,367,192,164/673,484
6. Step 6: Final answer
   x = 1,623,449.39