Finding the Third Proportional to 1,620,184 and 3,545,503

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,184 : 3,545,503 = 3,545,503 : x
2. Step 2: Convert to fraction form
   1,620,184/3,545,503 = 3,545,503/x
3. Step 3: Cross multiply
   1,620,184x = 3,545,503 × 3,545,503
4. Step 4: Simplify right side
   1,620,184x = 12,570,591,523,009
5. Step 5: Solve for x
   x = 12,570,591,523,009/1,620,184
6. Step 6: Final answer
   x = 7,758,743.16