Finding the Third Proportional to 1,620,940 and 3,752,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,940 : 3,752,180 = 3,752,180 : x
2. Step 2: Convert to fraction form
   1,620,940/3,752,180 = 3,752,180/x
3. Step 3: Cross multiply
   1,620,940x = 3,752,180 × 3,752,180
4. Step 4: Simplify right side
   1,620,940x = 14,078,854,752,400
5. Step 5: Solve for x
   x = 14,078,854,752,400/1,620,940
6. Step 6: Final answer
   x = 8,685,611.28