Finding the Third Proportional to 1,577,720 and 3,455,759

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,720 : 3,455,759 = 3,455,759 : x
2. Step 2: Convert to fraction form
   1,577,720/3,455,759 = 3,455,759/x
3. Step 3: Cross multiply
   1,577,720x = 3,455,759 × 3,455,759
4. Step 4: Simplify right side
   1,577,720x = 11,942,270,266,081
5. Step 5: Solve for x
   x = 11,942,270,266,081/1,577,720
6. Step 6: Final answer
   x = 7,569,321.72