Finding the Third Proportional to 743,964 and 1,620,786

Step by Step Solution

1. Step 1: Write the proportion equation
   743,964 : 1,620,786 = 1,620,786 : x
2. Step 2: Convert to fraction form
   743,964/1,620,786 = 1,620,786/x
3. Step 3: Cross multiply
   743,964x = 1,620,786 × 1,620,786
4. Step 4: Simplify right side
   743,964x = 2,626,947,257,796
5. Step 5: Solve for x
   x = 2,626,947,257,796/743,964
6. Step 6: Final answer
   x = 3,531,013.94