Finding the Third Proportional to 2,101,260 and 3,212,880

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101,260 : 3,212,880 = 3,212,880 : x
2. Step 2: Convert to fraction form
   2,101,260/3,212,880 = 3,212,880/x
3. Step 3: Cross multiply
   2,101,260x = 3,212,880 × 3,212,880
4. Step 4: Simplify right side
   2,101,260x = 10,322,597,894,400
5. Step 5: Solve for x
   x = 10,322,597,894,400/2,101,260
6. Step 6: Final answer
   x = 4,912,575.26