Finding the Third Proportional to 658,812 and 1,438,096

Step by Step Solution

1. Step 1: Write the proportion equation
   658,812 : 1,438,096 = 1,438,096 : x
2. Step 2: Convert to fraction form
   658,812/1,438,096 = 1,438,096/x
3. Step 3: Cross multiply
   658,812x = 1,438,096 × 1,438,096
4. Step 4: Simplify right side
   658,812x = 2,068,120,105,216
5. Step 5: Solve for x
   x = 2,068,120,105,216/658,812
6. Step 6: Final answer
   x = 3,139,165.81