Finding the Third Proportional to 815,876 and 1,767,348

Step by Step Solution

1. Step 1: Write the proportion equation
   815,876 : 1,767,348 = 1,767,348 : x
2. Step 2: Convert to fraction form
   815,876/1,767,348 = 1,767,348/x
3. Step 3: Cross multiply
   815,876x = 1,767,348 × 1,767,348
4. Step 4: Simplify right side
   815,876x = 3,123,518,953,104
5. Step 5: Solve for x
   x = 3,123,518,953,104/815,876
6. Step 6: Final answer
   x = 3,828,423.62