Finding the Third Proportional to 1,620,228 and 3,545,592

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,228 : 3,545,592 = 3,545,592 : x
2. Step 2: Convert to fraction form
   1,620,228/3,545,592 = 3,545,592/x
3. Step 3: Cross multiply
   1,620,228x = 3,545,592 × 3,545,592
4. Step 4: Simplify right side
   1,620,228x = 12,571,222,630,464
5. Step 5: Solve for x
   x = 12,571,222,630,464/1,620,228
6. Step 6: Final answer
   x = 7,758,921.97