Finding the Third Proportional to 818,782 and 1,776,726

Step by Step Solution

1. Step 1: Write the proportion equation
   818,782 : 1,776,726 = 1,776,726 : x
2. Step 2: Convert to fraction form
   818,782/1,776,726 = 1,776,726/x
3. Step 3: Cross multiply
   818,782x = 1,776,726 × 1,776,726
4. Step 4: Simplify right side
   818,782x = 3,156,755,279,076
5. Step 5: Solve for x
   x = 3,156,755,279,076/818,782
6. Step 6: Final answer
   x = 3,855,428.28