Finding the Third Proportional to 1,646,424 and 3,607,668

Step by Step Solution

1. Step 1: Write the proportion equation
   1,646,424 : 3,607,668 = 3,607,668 : x
2. Step 2: Convert to fraction form
   1,646,424/3,607,668 = 3,607,668/x
3. Step 3: Cross multiply
   1,646,424x = 3,607,668 × 3,607,668
4. Step 4: Simplify right side
   1,646,424x = 13,015,268,398,224
5. Step 5: Solve for x
   x = 13,015,268,398,224/1,646,424
6. Step 6: Final answer
   x = 7,905,174.12