Finding the Third Proportional to 1,577,620 and 3,453,768

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,620 : 3,453,768 = 3,453,768 : x
2. Step 2: Convert to fraction form
   1,577,620/3,453,768 = 3,453,768/x
3. Step 3: Cross multiply
   1,577,620x = 3,453,768 × 3,453,768
4. Step 4: Simplify right side
   1,577,620x = 11,928,513,397,824
5. Step 5: Solve for x
   x = 11,928,513,397,824/1,577,620
6. Step 6: Final answer
   x = 7,561,081.50