Finding the Third Proportional to 1,245,770 and 1,635,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,245,770 : 1,635,800 = 1,635,800 : x
2. Step 2: Convert to fraction form
   1,245,770/1,635,800 = 1,635,800/x
3. Step 3: Cross multiply
   1,245,770x = 1,635,800 × 1,635,800
4. Step 4: Simplify right side
   1,245,770x = 2,675,841,640,000
5. Step 5: Solve for x
   x = 2,675,841,640,000/1,245,770
6. Step 6: Final answer
   x = 2,147,941.95