Finding the Third Proportional to 3,421,260 and 4,783,131

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421,260 : 4,783,131 = 4,783,131 : x
2. Step 2: Convert to fraction form
   3,421,260/4,783,131 = 4,783,131/x
3. Step 3: Cross multiply
   3,421,260x = 4,783,131 × 4,783,131
4. Step 4: Simplify right side
   3,421,260x = 22,878,342,163,161
5. Step 5: Solve for x
   x = 22,878,342,163,161/3,421,260
6. Step 6: Final answer
   x = 6,687,110.06