Finding the Third Proportional to 2,431,236 and 5,290,584

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,236 : 5,290,584 = 5,290,584 : x
2. Step 2: Convert to fraction form
   2,431,236/5,290,584 = 5,290,584/x
3. Step 3: Cross multiply
   2,431,236x = 5,290,584 × 5,290,584
4. Step 4: Simplify right side
   2,431,236x = 27,990,279,061,056
5. Step 5: Solve for x
   x = 27,990,279,061,056/2,431,236
6. Step 6: Final answer
   x = 11,512,777.48