Finding the Third Proportional to 2,310,144 and 3,555,428

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310,144 : 3,555,428 = 3,555,428 : x
2. Step 2: Convert to fraction form
   2,310,144/3,555,428 = 3,555,428/x
3. Step 3: Cross multiply
   2,310,144x = 3,555,428 × 3,555,428
4. Step 4: Simplify right side
   2,310,144x = 12,641,068,263,184
5. Step 5: Solve for x
   x = 12,641,068,263,184/2,310,144
6. Step 6: Final answer
   x = 5,471,982.81