Finding the Third Proportional to 942,420 and 1,964,328

Step by Step Solution

1. Step 1: Write the proportion equation
   942,420 : 1,964,328 = 1,964,328 : x
2. Step 2: Convert to fraction form
   942,420/1,964,328 = 1,964,328/x
3. Step 3: Cross multiply
   942,420x = 1,964,328 × 1,964,328
4. Step 4: Simplify right side
   942,420x = 3,858,584,491,584
5. Step 5: Solve for x
   x = 3,858,584,491,584/942,420
6. Step 6: Final answer
   x = 4,094,336.38