Finding the Third Proportional to 2,045,120 and 4,449,372

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045,120 : 4,449,372 = 4,449,372 : x
2. Step 2: Convert to fraction form
   2,045,120/4,449,372 = 4,449,372/x
3. Step 3: Cross multiply
   2,045,120x = 4,449,372 × 4,449,372
4. Step 4: Simplify right side
   2,045,120x = 19,796,911,194,384
5. Step 5: Solve for x
   x = 19,796,911,194,384/2,045,120
6. Step 6: Final answer
   x = 9,680,073.15