Finding the Third Proportional to 1,703,630 and 3,643,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,703,630 : 3,643,638 = 3,643,638 : x
2. Step 2: Convert to fraction form
   1,703,630/3,643,638 = 3,643,638/x
3. Step 3: Cross multiply
   1,703,630x = 3,643,638 × 3,643,638
4. Step 4: Simplify right side
   1,703,630x = 13,276,097,875,044
5. Step 5: Solve for x
   x = 13,276,097,875,044/1,703,630
6. Step 6: Final answer
   x = 7,792,829.36