Finding the Third Proportional to 680,400 and 1,464,804

Step by Step Solution

1. Step 1: Write the proportion equation
   680,400 : 1,464,804 = 1,464,804 : x
2. Step 2: Convert to fraction form
   680,400/1,464,804 = 1,464,804/x
3. Step 3: Cross multiply
   680,400x = 1,464,804 × 1,464,804
4. Step 4: Simplify right side
   680,400x = 2,145,650,758,416
5. Step 5: Solve for x
   x = 2,145,650,758,416/680,400
6. Step 6: Final answer
   x = 3,153,513.75