Finding the Third Proportional to 661,926 and 1,428,804

Step by Step Solution

1. Step 1: Write the proportion equation
   661,926 : 1,428,804 = 1,428,804 : x
2. Step 2: Convert to fraction form
   661,926/1,428,804 = 1,428,804/x
3. Step 3: Cross multiply
   661,926x = 1,428,804 × 1,428,804
4. Step 4: Simplify right side
   661,926x = 2,041,480,870,416
5. Step 5: Solve for x
   x = 2,041,480,870,416/661,926
6. Step 6: Final answer
   x = 3,084,152.72