Finding the Third Proportional to 1,207,580 and 1,776,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,580 : 1,776,372 = 1,776,372 : x
2. Step 2: Convert to fraction form
   1,207,580/1,776,372 = 1,776,372/x
3. Step 3: Cross multiply
   1,207,580x = 1,776,372 × 1,776,372
4. Step 4: Simplify right side
   1,207,580x = 3,155,497,482,384
5. Step 5: Solve for x
   x = 3,155,497,482,384/1,207,580
6. Step 6: Final answer
   x = 2,613,075.31