Finding the Third Proportional to 1,662,480 and 3,581,418

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,480 : 3,581,418 = 3,581,418 : x
2. Step 2: Convert to fraction form
   1,662,480/3,581,418 = 3,581,418/x
3. Step 3: Cross multiply
   1,662,480x = 3,581,418 × 3,581,418
4. Step 4: Simplify right side
   1,662,480x = 12,826,554,890,724
5. Step 5: Solve for x
   x = 12,826,554,890,724/1,662,480
6. Step 6: Final answer
   x = 7,715,313.80