Finding the Third Proportional to 1,668,410 and 3,642,634

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,410 : 3,642,634 = 3,642,634 : x
2. Step 2: Convert to fraction form
   1,668,410/3,642,634 = 3,642,634/x
3. Step 3: Cross multiply
   1,668,410x = 3,642,634 × 3,642,634
4. Step 4: Simplify right side
   1,668,410x = 13,268,782,457,956
5. Step 5: Solve for x
   x = 13,268,782,457,956/1,668,410
6. Step 6: Final answer
   x = 7,952,950.69