Finding the Third Proportional to 2,139,480 and 4,698,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,480 : 4,698,888 = 4,698,888 : x
2. Step 2: Convert to fraction form
   2,139,480/4,698,888 = 4,698,888/x
3. Step 3: Cross multiply
   2,139,480x = 4,698,888 × 4,698,888
4. Step 4: Simplify right side
   2,139,480x = 22,079,548,436,544
5. Step 5: Solve for x
   x = 22,079,548,436,544/2,139,480
6. Step 6: Final answer
   x = 10,320,053.67