Finding the Third Proportional to 1,261,359 and 1,699,581

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,359 : 1,699,581 = 1,699,581 : x
2. Step 2: Convert to fraction form
   1,261,359/1,699,581 = 1,699,581/x
3. Step 3: Cross multiply
   1,261,359x = 1,699,581 × 1,699,581
4. Step 4: Simplify right side
   1,261,359x = 2,888,575,575,561
5. Step 5: Solve for x
   x = 2,888,575,575,561/1,261,359
6. Step 6: Final answer
   x = 2,290,050.32