Finding the Third Proportional to 1,245,769 and 1,635,798

Step by Step Solution

1. Step 1: Write the proportion equation
   1,245,769 : 1,635,798 = 1,635,798 : x
2. Step 2: Convert to fraction form
   1,245,769/1,635,798 = 1,635,798/x
3. Step 3: Cross multiply
   1,245,769x = 1,635,798 × 1,635,798
4. Step 4: Simplify right side
   1,245,769x = 2,675,835,096,804
5. Step 5: Solve for x
   x = 2,675,835,096,804/1,245,769
6. Step 6: Final answer
   x = 2,147,938.42