Finding the Third Proportional to 2,154,374 and 3,189,964

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,374 : 3,189,964 = 3,189,964 : x
2. Step 2: Convert to fraction form
   2,154,374/3,189,964 = 3,189,964/x
3. Step 3: Cross multiply
   2,154,374x = 3,189,964 × 3,189,964
4. Step 4: Simplify right side
   2,154,374x = 10,175,870,321,296
5. Step 5: Solve for x
   x = 10,175,870,321,296/2,154,374
6. Step 6: Final answer
   x = 4,723,353.66