Finding the Third Proportional to 2,450,985 and 5,385,783

Step by Step Solution

1. Step 1: Write the proportion equation
   2,450,985 : 5,385,783 = 5,385,783 : x
2. Step 2: Convert to fraction form
   2,450,985/5,385,783 = 5,385,783/x
3. Step 3: Cross multiply
   2,450,985x = 5,385,783 × 5,385,783
4. Step 4: Simplify right side
   2,450,985x = 29,006,658,523,089
5. Step 5: Solve for x
   x = 29,006,658,523,089/2,450,985
6. Step 6: Final answer
   x = 11,834,694.43