Finding the Third Proportional to 2,581,722 and 5,611,214

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,722 : 5,611,214 = 5,611,214 : x
2. Step 2: Convert to fraction form
   2,581,722/5,611,214 = 5,611,214/x
3. Step 3: Cross multiply
   2,581,722x = 5,611,214 × 5,611,214
4. Step 4: Simplify right side
   2,581,722x = 31,485,722,553,796
5. Step 5: Solve for x
   x = 31,485,722,553,796/2,581,722
6. Step 6: Final answer
   x = 12,195,628.56