Finding the Third Proportional to 1,672,428 and 3,669,666

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,428 : 3,669,666 = 3,669,666 : x
2. Step 2: Convert to fraction form
   1,672,428/3,669,666 = 3,669,666/x
3. Step 3: Cross multiply
   1,672,428x = 3,669,666 × 3,669,666
4. Step 4: Simplify right side
   1,672,428x = 13,466,448,551,556
5. Step 5: Solve for x
   x = 13,466,448,551,556/1,672,428
6. Step 6: Final answer
   x = 8,052,034.86