Finding the Third Proportional to 2,131,456 and 3,211,264

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,456 : 3,211,264 = 3,211,264 : x
2. Step 2: Convert to fraction form
   2,131,456/3,211,264 = 3,211,264/x
3. Step 3: Cross multiply
   2,131,456x = 3,211,264 × 3,211,264
4. Step 4: Simplify right side
   2,131,456x = 10,312,216,477,696
5. Step 5: Solve for x
   x = 10,312,216,477,696/2,131,456
6. Step 6: Final answer
   x = 4,838,109.01