Finding the Third Proportional to 1,447,210 and 2,127,451

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,210 : 2,127,451 = 2,127,451 : x
2. Step 2: Convert to fraction form
   1,447,210/2,127,451 = 2,127,451/x
3. Step 3: Cross multiply
   1,447,210x = 2,127,451 × 2,127,451
4. Step 4: Simplify right side
   1,447,210x = 4,526,047,757,401
5. Step 5: Solve for x
   x = 4,526,047,757,401/1,447,210
6. Step 6: Final answer
   x = 3,127,429.85