Finding the Third Proportional to 446,432 and 673,673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   446,432 : 673,673.50 = 673,673.50 : x
2. Step 2: Convert to fraction form
   446,432/673,673.50 = 673,673.50/x
3. Step 3: Cross multiply
   446,432x = 673,673.50 × 673,673.50
4. Step 4: Simplify right side
   446,432x = 453,835,984,602.25
5. Step 5: Solve for x
   x = 453,835,984,602.25/446,432
6. Step 6: Final answer
   x = 1,016,584.80