Finding the Third Proportional to 2,558,388 and 5,597,458

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,388 : 5,597,458 = 5,597,458 : x
2. Step 2: Convert to fraction form
   2,558,388/5,597,458 = 5,597,458/x
3. Step 3: Cross multiply
   2,558,388x = 5,597,458 × 5,597,458
4. Step 4: Simplify right side
   2,558,388x = 31,331,536,061,764
5. Step 5: Solve for x
   x = 31,331,536,061,764/2,558,388
6. Step 6: Final answer
   x = 12,246,592.80