Finding the Third Proportional to 2,586,210 and 5,620,080

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,210 : 5,620,080 = 5,620,080 : x
2. Step 2: Convert to fraction form
   2,586,210/5,620,080 = 5,620,080/x
3. Step 3: Cross multiply
   2,586,210x = 5,620,080 × 5,620,080
4. Step 4: Simplify right side
   2,586,210x = 31,585,299,206,400
5. Step 5: Solve for x
   x = 31,585,299,206,400/2,586,210
6. Step 6: Final answer
   x = 12,212,967.70