Finding the Third Proportional to 1,905,536 and 3,967,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905,536 : 3,967,880 = 3,967,880 : x
2. Step 2: Convert to fraction form
   1,905,536/3,967,880 = 3,967,880/x
3. Step 3: Cross multiply
   1,905,536x = 3,967,880 × 3,967,880
4. Step 4: Simplify right side
   1,905,536x = 15,744,071,694,400
5. Step 5: Solve for x
   x = 15,744,071,694,400/1,905,536
6. Step 6: Final answer
   x = 8,262,279.85