Finding the Third Proportional to 2,215,308 and 3,319,278

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,308 : 3,319,278 = 3,319,278 : x
2. Step 2: Convert to fraction form
   2,215,308/3,319,278 = 3,319,278/x
3. Step 3: Cross multiply
   2,215,308x = 3,319,278 × 3,319,278
4. Step 4: Simplify right side
   2,215,308x = 11,017,606,441,284
5. Step 5: Solve for x
   x = 11,017,606,441,284/2,215,308
6. Step 6: Final answer
   x = 4,973,397.13