Finding the Third Proportional to 458,160 and 673,500

Step by Step Solution

1. Step 1: Write the proportion equation
   458,160 : 673,500 = 673,500 : x
2. Step 2: Convert to fraction form
   458,160/673,500 = 673,500/x
3. Step 3: Cross multiply
   458,160x = 673,500 × 673,500
4. Step 4: Simplify right side
   458,160x = 453,602,250,000
5. Step 5: Solve for x
   x = 453,602,250,000/458,160
6. Step 6: Final answer
   x = 990,052.06