Finding the Third Proportional to 2,558,398.50 and 5,597,478

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,398.50 : 5,597,478 = 5,597,478 : x
2. Step 2: Convert to fraction form
   2,558,398.50/5,597,478 = 5,597,478/x
3. Step 3: Cross multiply
   2,558,398.50x = 5,597,478 × 5,597,478
4. Step 4: Simplify right side
   2,558,398.50x = 31,331,759,960,484
5. Step 5: Solve for x
   x = 31,331,759,960,484/2,558,398.50
6. Step 6: Final answer
   x = 12,246,630.05