Finding the Third Proportional to 2,487,282 and 5,438,532

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,282 : 5,438,532 = 5,438,532 : x
2. Step 2: Convert to fraction form
   2,487,282/5,438,532 = 5,438,532/x
3. Step 3: Cross multiply
   2,487,282x = 5,438,532 × 5,438,532
4. Step 4: Simplify right side
   2,487,282x = 29,577,630,315,024
5. Step 5: Solve for x
   x = 29,577,630,315,024/2,487,282
6. Step 6: Final answer
   x = 11,891,546.80