Finding the Third Proportional to 2,154,910 and 3,213,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,910 : 3,213,680 = 3,213,680 : x
2. Step 2: Convert to fraction form
   2,154,910/3,213,680 = 3,213,680/x
3. Step 3: Cross multiply
   2,154,910x = 3,213,680 × 3,213,680
4. Step 4: Simplify right side
   2,154,910x = 10,327,739,142,400
5. Step 5: Solve for x
   x = 10,327,739,142,400/2,154,910
6. Step 6: Final answer
   x = 4,792,654.52