Finding the Third Proportional to 2,112,336 and 3,178,620

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,336 : 3,178,620 = 3,178,620 : x
2. Step 2: Convert to fraction form
   2,112,336/3,178,620 = 3,178,620/x
3. Step 3: Cross multiply
   2,112,336x = 3,178,620 × 3,178,620
4. Step 4: Simplify right side
   2,112,336x = 10,103,625,104,400
5. Step 5: Solve for x
   x = 10,103,625,104,400/2,112,336
6. Step 6: Final answer
   x = 4,783,152.45