Finding the Third Proportional to 375,886 and 782,870

Step by Step Solution

1. Step 1: Write the proportion equation
   375,886 : 782,870 = 782,870 : x
2. Step 2: Convert to fraction form
   375,886/782,870 = 782,870/x
3. Step 3: Cross multiply
   375,886x = 782,870 × 782,870
4. Step 4: Simplify right side
   375,886x = 612,885,436,900
5. Step 5: Solve for x
   x = 612,885,436,900/375,886
6. Step 6: Final answer
   x = 1,630,508.82