Finding the Third Proportional to 1,836,432 and 3,967,947

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,432 : 3,967,947 = 3,967,947 : x
2. Step 2: Convert to fraction form
   1,836,432/3,967,947 = 3,967,947/x
3. Step 3: Cross multiply
   1,836,432x = 3,967,947 × 3,967,947
4. Step 4: Simplify right side
   1,836,432x = 15,744,603,394,809
5. Step 5: Solve for x
   x = 15,744,603,394,809/1,836,432
6. Step 6: Final answer
   x = 8,573,474.76