Finding the Third Proportional to 1,663,200 and 3,606,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,200 : 3,606,120 = 3,606,120 : x
2. Step 2: Convert to fraction form
   1,663,200/3,606,120 = 3,606,120/x
3. Step 3: Cross multiply
   1,663,200x = 3,606,120 × 3,606,120
4. Step 4: Simplify right side
   1,663,200x = 13,004,101,454,400
5. Step 5: Solve for x
   x = 13,004,101,454,400/1,663,200
6. Step 6: Final answer
   x = 7,818,723.82