Finding the Third Proportional to 350,820 and 757,766.25

Step by Step Solution

1. Step 1: Write the proportion equation
   350,820 : 757,766.25 = 757,766.25 : x
2. Step 2: Convert to fraction form
   350,820/757,766.25 = 757,766.25/x
3. Step 3: Cross multiply
   350,820x = 757,766.25 × 757,766.25
4. Step 4: Simplify right side
   350,820x = 574,209,689,639.06
5. Step 5: Solve for x
   x = 574,209,689,639.06/350,820
6. Step 6: Final answer
   x = 1,636,764.41