Finding the Third Proportional to 1,643,816 and 3,532,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,816 : 3,532,576 = 3,532,576 : x
2. Step 2: Convert to fraction form
   1,643,816/3,532,576 = 3,532,576/x
3. Step 3: Cross multiply
   1,643,816x = 3,532,576 × 3,532,576
4. Step 4: Simplify right side
   1,643,816x = 12,479,093,195,776
5. Step 5: Solve for x
   x = 12,479,093,195,776/1,643,816
6. Step 6: Final answer
   x = 7,591,538.95