Finding the Third Proportional to 1,838,324 and 3,971,812

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838,324 : 3,971,812 = 3,971,812 : x
2. Step 2: Convert to fraction form
   1,838,324/3,971,812 = 3,971,812/x
3. Step 3: Cross multiply
   1,838,324x = 3,971,812 × 3,971,812
4. Step 4: Simplify right side
   1,838,324x = 15,775,290,563,344
5. Step 5: Solve for x
   x = 15,775,290,563,344/1,838,324
6. Step 6: Final answer
   x = 8,581,343.97