Finding the Third Proportional to 2,215,314 and 3,319,287

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,314 : 3,319,287 = 3,319,287 : x
2. Step 2: Convert to fraction form
   2,215,314/3,319,287 = 3,319,287/x
3. Step 3: Cross multiply
   2,215,314x = 3,319,287 × 3,319,287
4. Step 4: Simplify right side
   2,215,314x = 11,017,666,188,369
5. Step 5: Solve for x
   x = 11,017,666,188,369/2,215,314
6. Step 6: Final answer
   x = 4,973,410.63