Finding the Third Proportional to 2,558,390 and 5,597,462

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,390 : 5,597,462 = 5,597,462 : x
2. Step 2: Convert to fraction form
   2,558,390/5,597,462 = 5,597,462/x
3. Step 3: Cross multiply
   2,558,390x = 5,597,462 × 5,597,462
4. Step 4: Simplify right side
   2,558,390x = 31,331,580,841,444
5. Step 5: Solve for x
   x = 31,331,580,841,444/2,558,390
6. Step 6: Final answer
   x = 12,246,600.73