Finding the Third Proportional to 627,730 and 1,372,020

Step by Step Solution

1. Step 1: Write the proportion equation
   627,730 : 1,372,020 = 1,372,020 : x
2. Step 2: Convert to fraction form
   627,730/1,372,020 = 1,372,020/x
3. Step 3: Cross multiply
   627,730x = 1,372,020 × 1,372,020
4. Step 4: Simplify right side
   627,730x = 1,882,438,880,400
5. Step 5: Solve for x
   x = 1,882,438,880,400/627,730
6. Step 6: Final answer
   x = 2,998,803.44