Finding the Third Proportional to 2,559,276 and 5,600,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,276 : 5,600,664 = 5,600,664 : x
2. Step 2: Convert to fraction form
   2,559,276/5,600,664 = 5,600,664/x
3. Step 3: Cross multiply
   2,559,276x = 5,600,664 × 5,600,664
4. Step 4: Simplify right side
   2,559,276x = 31,367,437,240,896
5. Step 5: Solve for x
   x = 31,367,437,240,896/2,559,276
6. Step 6: Final answer
   x = 12,256,371.43