Finding the Third Proportional to 671,508 and 1,442,406

Step by Step Solution

1. Step 1: Write the proportion equation
   671,508 : 1,442,406 = 1,442,406 : x
2. Step 2: Convert to fraction form
   671,508/1,442,406 = 1,442,406/x
3. Step 3: Cross multiply
   671,508x = 1,442,406 × 1,442,406
4. Step 4: Simplify right side
   671,508x = 2,080,535,068,836
5. Step 5: Solve for x
   x = 2,080,535,068,836/671,508
6. Step 6: Final answer
   x = 3,098,302.73