Finding the Third Proportional to 1,374,839 and 2,020,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374,839 : 2,020,142 = 2,020,142 : x
2. Step 2: Convert to fraction form
   1,374,839/2,020,142 = 2,020,142/x
3. Step 3: Cross multiply
   1,374,839x = 2,020,142 × 2,020,142
4. Step 4: Simplify right side
   1,374,839x = 4,080,973,700,164
5. Step 5: Solve for x
   x = 4,080,973,700,164/1,374,839
6. Step 6: Final answer
   x = 2,968,328.44