Finding the Third Proportional to 1,211,310 and 1,764,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,310 : 1,764,384 = 1,764,384 : x
2. Step 2: Convert to fraction form
   1,211,310/1,764,384 = 1,764,384/x
3. Step 3: Cross multiply
   1,211,310x = 1,764,384 × 1,764,384
4. Step 4: Simplify right side
   1,211,310x = 3,113,050,899,456
5. Step 5: Solve for x
   x = 3,113,050,899,456/1,211,310
6. Step 6: Final answer
   x = 2,569,986.96