Finding the Third Proportional to 673,426 and 1,453,678

Step by Step Solution

1. Step 1: Write the proportion equation
   673,426 : 1,453,678 = 1,453,678 : x
2. Step 2: Convert to fraction form
   673,426/1,453,678 = 1,453,678/x
3. Step 3: Cross multiply
   673,426x = 1,453,678 × 1,453,678
4. Step 4: Simplify right side
   673,426x = 2,113,179,727,684
5. Step 5: Solve for x
   x = 2,113,179,727,684/673,426
6. Step 6: Final answer
   x = 3,137,953.88