Finding the Third Proportional to 818,460 and 1,776,870

Step by Step Solution

1. Step 1: Write the proportion equation
   818,460 : 1,776,870 = 1,776,870 : x
2. Step 2: Convert to fraction form
   818,460/1,776,870 = 1,776,870/x
3. Step 3: Cross multiply
   818,460x = 1,776,870 × 1,776,870
4. Step 4: Simplify right side
   818,460x = 3,157,266,996,900
5. Step 5: Solve for x
   x = 3,157,266,996,900/818,460
6. Step 6: Final answer
   x = 3,857,570.31