Finding the Third Proportional to 2,715,300 and 4,322,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715,300 : 4,322,072 = 4,322,072 : x
2. Step 2: Convert to fraction form
   2,715,300/4,322,072 = 4,322,072/x
3. Step 3: Cross multiply
   2,715,300x = 4,322,072 × 4,322,072
4. Step 4: Simplify right side
   2,715,300x = 18,680,306,373,184
5. Step 5: Solve for x
   x = 18,680,306,373,184/2,715,300
6. Step 6: Final answer
   x = 6,879,647.32