Finding the Third Proportional to 828,664 and 1,804,940

Step by Step Solution

1. Step 1: Write the proportion equation
   828,664 : 1,804,940 = 1,804,940 : x
2. Step 2: Convert to fraction form
   828,664/1,804,940 = 1,804,940/x
3. Step 3: Cross multiply
   828,664x = 1,804,940 × 1,804,940
4. Step 4: Simplify right side
   828,664x = 3,257,808,403,600
5. Step 5: Solve for x
   x = 3,257,808,403,600/828,664
6. Step 6: Final answer
   x = 3,931,398.50