Finding the Third Proportional to 2,489,461 and 5,431,333

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,461 : 5,431,333 = 5,431,333 : x
2. Step 2: Convert to fraction form
   2,489,461/5,431,333 = 5,431,333/x
3. Step 3: Cross multiply
   2,489,461x = 5,431,333 × 5,431,333
4. Step 4: Simplify right side
   2,489,461x = 29,499,378,156,889
5. Step 5: Solve for x
   x = 29,499,378,156,889/2,489,461
6. Step 6: Final answer
   x = 11,849,704.88