Finding the Third Proportional to 654,455 and 1,427,170

Step by Step Solution

1. Step 1: Write the proportion equation
   654,455 : 1,427,170 = 1,427,170 : x
2. Step 2: Convert to fraction form
   654,455/1,427,170 = 1,427,170/x
3. Step 3: Cross multiply
   654,455x = 1,427,170 × 1,427,170
4. Step 4: Simplify right side
   654,455x = 2,036,814,208,900
5. Step 5: Solve for x
   x = 2,036,814,208,900/654,455
6. Step 6: Final answer
   x = 3,112,229.58