Finding the Third Proportional to 454,599 and 673,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   454,599 : 673,105.50 = 673,105.50 : x
2. Step 2: Convert to fraction form
   454,599/673,105.50 = 673,105.50/x
3. Step 3: Cross multiply
   454,599x = 673,105.50 × 673,105.50
4. Step 4: Simplify right side
   454,599x = 453,071,014,130.25
5. Step 5: Solve for x
   x = 453,071,014,130.25/454,599
6. Step 6: Final answer
   x = 996,638.83