Finding the Third Proportional to 376,045.50 and 820,686

Step by Step Solution

1. Step 1: Write the proportion equation
   376,045.50 : 820,686 = 820,686 : x
2. Step 2: Convert to fraction form
   376,045.50/820,686 = 820,686/x
3. Step 3: Cross multiply
   376,045.50x = 820,686 × 820,686
4. Step 4: Simplify right side
   376,045.50x = 673,525,510,596
5. Step 5: Solve for x
   x = 673,525,510,596/376,045.50
6. Step 6: Final answer
   x = 1,791,074.51