Finding the Third Proportional to 2,139,448 and 4,698,824

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,448 : 4,698,824 = 4,698,824 : x
2. Step 2: Convert to fraction form
   2,139,448/4,698,824 = 4,698,824/x
3. Step 3: Cross multiply
   2,139,448x = 4,698,824 × 4,698,824
4. Step 4: Simplify right side
   2,139,448x = 22,078,946,982,976
5. Step 5: Solve for x
   x = 22,078,946,982,976/2,139,448
6. Step 6: Final answer
   x = 10,319,926.91