Finding the Third Proportional to 1,971,270 and 4,277,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971,270 : 4,277,142 = 4,277,142 : x
2. Step 2: Convert to fraction form
   1,971,270/4,277,142 = 4,277,142/x
3. Step 3: Cross multiply
   1,971,270x = 4,277,142 × 4,277,142
4. Step 4: Simplify right side
   1,971,270x = 18,293,943,688,164
5. Step 5: Solve for x
   x = 18,293,943,688,164/1,971,270
6. Step 6: Final answer
   x = 9,280,283.11