Finding the Third Proportional to 1,676,866 and 3,619,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676,866 : 3,619,412 = 3,619,412 : x
2. Step 2: Convert to fraction form
   1,676,866/3,619,412 = 3,619,412/x
3. Step 3: Cross multiply
   1,676,866x = 3,619,412 × 3,619,412
4. Step 4: Simplify right side
   1,676,866x = 13,100,143,225,744
5. Step 5: Solve for x
   x = 13,100,143,225,744/1,676,866
6. Step 6: Final answer
   x = 7,812,277.92