Finding the Third Proportional to 2,139,454 and 4,698,836

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,454 : 4,698,836 = 4,698,836 : x
2. Step 2: Convert to fraction form
   2,139,454/4,698,836 = 4,698,836/x
3. Step 3: Cross multiply
   2,139,454x = 4,698,836 × 4,698,836
4. Step 4: Simplify right side
   2,139,454x = 22,079,059,754,896
5. Step 5: Solve for x
   x = 22,079,059,754,896/2,139,454
6. Step 6: Final answer
   x = 10,319,950.68