Finding the Third Proportional to 1,619,688 and 3,543,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,688 : 3,543,540 = 3,543,540 : x
2. Step 2: Convert to fraction form
   1,619,688/3,543,540 = 3,543,540/x
3. Step 3: Cross multiply
   1,619,688x = 3,543,540 × 3,543,540
4. Step 4: Simplify right side
   1,619,688x = 12,556,675,731,600
5. Step 5: Solve for x
   x = 12,556,675,731,600/1,619,688
6. Step 6: Final answer
   x = 7,752,527.48