Finding the Third Proportional to 673,406 and 1,453,636

Step by Step Solution

1. Step 1: Write the proportion equation
   673,406 : 1,453,636 = 1,453,636 : x
2. Step 2: Convert to fraction form
   673,406/1,453,636 = 1,453,636/x
3. Step 3: Cross multiply
   673,406x = 1,453,636 × 1,453,636
4. Step 4: Simplify right side
   673,406x = 2,113,057,620,496
5. Step 5: Solve for x
   x = 2,113,057,620,496/673,406
6. Step 6: Final answer
   x = 3,137,865.75