Finding the Third Proportional to 815,622 and 1,756,236

Step by Step Solution

1. Step 1: Write the proportion equation
   815,622 : 1,756,236 = 1,756,236 : x
2. Step 2: Convert to fraction form
   815,622/1,756,236 = 1,756,236/x
3. Step 3: Cross multiply
   815,622x = 1,756,236 × 1,756,236
4. Step 4: Simplify right side
   815,622x = 3,084,364,887,696
5. Step 5: Solve for x
   x = 3,084,364,887,696/815,622
6. Step 6: Final answer
   x = 3,781,610.71