Finding the Third Proportional to 608,374 and 1,408,342

Step by Step Solution

1. Step 1: Write the proportion equation
   608,374 : 1,408,342 = 1,408,342 : x
2. Step 2: Convert to fraction form
   608,374/1,408,342 = 1,408,342/x
3. Step 3: Cross multiply
   608,374x = 1,408,342 × 1,408,342
4. Step 4: Simplify right side
   608,374x = 1,983,427,188,964
5. Step 5: Solve for x
   x = 1,983,427,188,964/608,374
6. Step 6: Final answer
   x = 3,260,210.31