Finding the Third Proportional to 1,620,549 and 3,492,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,549 : 3,492,288 = 3,492,288 : x
2. Step 2: Convert to fraction form
   1,620,549/3,492,288 = 3,492,288/x
3. Step 3: Cross multiply
   1,620,549x = 3,492,288 × 3,492,288
4. Step 4: Simplify right side
   1,620,549x = 12,196,075,474,944
5. Step 5: Solve for x
   x = 12,196,075,474,944/1,620,549
6. Step 6: Final answer
   x = 7,525,891.21