Finding the Third Proportional to 2,155,384 and 3,138,306

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,384 : 3,138,306 = 3,138,306 : x
2. Step 2: Convert to fraction form
   2,155,384/3,138,306 = 3,138,306/x
3. Step 3: Cross multiply
   2,155,384x = 3,138,306 × 3,138,306
4. Step 4: Simplify right side
   2,155,384x = 9,848,964,549,636
5. Step 5: Solve for x
   x = 9,848,964,549,636/2,155,384
6. Step 6: Final answer
   x = 4,569,470.94