Finding the Third Proportional to 2,219,904 and 5,238,624

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219,904 : 5,238,624 = 5,238,624 : x
2. Step 2: Convert to fraction form
   2,219,904/5,238,624 = 5,238,624/x
3. Step 3: Cross multiply
   2,219,904x = 5,238,624 × 5,238,624
4. Step 4: Simplify right side
   2,219,904x = 27,443,181,413,376
5. Step 5: Solve for x
   x = 27,443,181,413,376/2,219,904
6. Step 6: Final answer
   x = 12,362,328.02