Finding the Third Proportional to 673,488 and 1,045,648

Step by Step Solution

1. Step 1: Write the proportion equation
   673,488 : 1,045,648 = 1,045,648 : x
2. Step 2: Convert to fraction form
   673,488/1,045,648 = 1,045,648/x
3. Step 3: Cross multiply
   673,488x = 1,045,648 × 1,045,648
4. Step 4: Simplify right side
   673,488x = 1,093,379,739,904
5. Step 5: Solve for x
   x = 1,093,379,739,904/673,488
6. Step 6: Final answer
   x = 1,623,458.38