Finding the Third Proportional to 1,659,642 and 3,620,892

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659,642 : 3,620,892 = 3,620,892 : x
2. Step 2: Convert to fraction form
   1,659,642/3,620,892 = 3,620,892/x
3. Step 3: Cross multiply
   1,659,642x = 3,620,892 × 3,620,892
4. Step 4: Simplify right side
   1,659,642x = 13,110,858,875,664
5. Step 5: Solve for x
   x = 13,110,858,875,664/1,659,642
6. Step 6: Final answer
   x = 7,899,811.45