Finding the Third Proportional to 1,577,824 and 3,455,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,824 : 3,455,990 = 3,455,990 : x
2. Step 2: Convert to fraction form
   1,577,824/3,455,990 = 3,455,990/x
3. Step 3: Cross multiply
   1,577,824x = 3,455,990 × 3,455,990
4. Step 4: Simplify right side
   1,577,824x = 11,943,866,880,100
5. Step 5: Solve for x
   x = 11,943,866,880,100/1,577,824
6. Step 6: Final answer
   x = 7,569,834.71