Finding the Third Proportional to 1,011,210 and 2,162,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,210 : 2,162,388 = 2,162,388 : x
2. Step 2: Convert to fraction form
   1,011,210/2,162,388 = 2,162,388/x
3. Step 3: Cross multiply
   1,011,210x = 2,162,388 × 2,162,388
4. Step 4: Simplify right side
   1,011,210x = 4,675,921,862,544
5. Step 5: Solve for x
   x = 4,675,921,862,544/1,011,210
6. Step 6: Final answer
   x = 4,624,085.86