Finding the Third Proportional to 654,426 and 1,427,112

Step by Step Solution

1. Step 1: Write the proportion equation
   654,426 : 1,427,112 = 1,427,112 : x
2. Step 2: Convert to fraction form
   654,426/1,427,112 = 1,427,112/x
3. Step 3: Cross multiply
   654,426x = 1,427,112 × 1,427,112
4. Step 4: Simplify right side
   654,426x = 2,036,648,660,544
5. Step 5: Solve for x
   x = 2,036,648,660,544/654,426
6. Step 6: Final answer
   x = 3,112,114.53