Finding the Third Proportional to 350,028 and 763,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   350,028 : 763,408.50 = 763,408.50 : x
2. Step 2: Convert to fraction form
   350,028/763,408.50 = 763,408.50/x
3. Step 3: Cross multiply
   350,028x = 763,408.50 × 763,408.50
4. Step 4: Simplify right side
   350,028x = 582,792,537,872.25
5. Step 5: Solve for x
   x = 582,792,537,872.25/350,028
6. Step 6: Final answer
   x = 1,664,988.34