Finding the Third Proportional to 376,930 and 819,300

Step by Step Solution

1. Step 1: Write the proportion equation
   376,930 : 819,300 = 819,300 : x
2. Step 2: Convert to fraction form
   376,930/819,300 = 819,300/x
3. Step 3: Cross multiply
   376,930x = 819,300 × 819,300
4. Step 4: Simplify right side
   376,930x = 671,252,490,000
5. Step 5: Solve for x
   x = 671,252,490,000/376,930
6. Step 6: Final answer
   x = 1,780,841.24