Finding the Third Proportional to 2,111,872 and 4,604,976

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,872 : 4,604,976 = 4,604,976 : x
2. Step 2: Convert to fraction form
   2,111,872/4,604,976 = 4,604,976/x
3. Step 3: Cross multiply
   2,111,872x = 4,604,976 × 4,604,976
4. Step 4: Simplify right side
   2,111,872x = 21,205,803,960,576
5. Step 5: Solve for x
   x = 21,205,803,960,576/2,111,872
6. Step 6: Final answer
   x = 10,041,235.43