Finding the Third Proportional to 376,042.50 and 820,680

Step by Step Solution

1. Step 1: Write the proportion equation
   376,042.50 : 820,680 = 820,680 : x
2. Step 2: Convert to fraction form
   376,042.50/820,680 = 820,680/x
3. Step 3: Cross multiply
   376,042.50x = 820,680 × 820,680
4. Step 4: Simplify right side
   376,042.50x = 673,515,662,400
5. Step 5: Solve for x
   x = 673,515,662,400/376,042.50
6. Step 6: Final answer
   x = 1,791,062.61