Finding the Third Proportional to 2,179,888 and 3,402,271

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179,888 : 3,402,271 = 3,402,271 : x
2. Step 2: Convert to fraction form
   2,179,888/3,402,271 = 3,402,271/x
3. Step 3: Cross multiply
   2,179,888x = 3,402,271 × 3,402,271
4. Step 4: Simplify right side
   2,179,888x = 11,575,447,957,441
5. Step 5: Solve for x
   x = 11,575,447,957,441/2,179,888
6. Step 6: Final answer
   x = 5,310,111.33