Finding the Third Proportional to 677,279 and 1,447,870

Step by Step Solution

1. Step 1: Write the proportion equation
   677,279 : 1,447,870 = 1,447,870 : x
2. Step 2: Convert to fraction form
   677,279/1,447,870 = 1,447,870/x
3. Step 3: Cross multiply
   677,279x = 1,447,870 × 1,447,870
4. Step 4: Simplify right side
   677,279x = 2,096,327,536,900
5. Step 5: Solve for x
   x = 2,096,327,536,900/677,279
6. Step 6: Final answer
   x = 3,095,220.05