Finding the Third Proportional to 1,577,686 and 3,453,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,686 : 3,453,896 = 3,453,896 : x
2. Step 2: Convert to fraction form
   1,577,686/3,453,896 = 3,453,896/x
3. Step 3: Cross multiply
   1,577,686x = 3,453,896 × 3,453,896
4. Step 4: Simplify right side
   1,577,686x = 11,929,397,578,816
5. Step 5: Solve for x
   x = 11,929,397,578,816/1,577,686
6. Step 6: Final answer
   x = 7,561,325.62