Finding the Third Proportional to 589,620 and 1,386,042

Step by Step Solution

1. Step 1: Write the proportion equation
   589,620 : 1,386,042 = 1,386,042 : x
2. Step 2: Convert to fraction form
   589,620/1,386,042 = 1,386,042/x
3. Step 3: Cross multiply
   589,620x = 1,386,042 × 1,386,042
4. Step 4: Simplify right side
   589,620x = 1,921,112,425,764
5. Step 5: Solve for x
   x = 1,921,112,425,764/589,620
6. Step 6: Final answer
   x = 3,258,221.27