Finding the Third Proportional to 978,645.50 and 2,149,747

Step by Step Solution

1. Step 1: Write the proportion equation
   978,645.50 : 2,149,747 = 2,149,747 : x
2. Step 2: Convert to fraction form
   978,645.50/2,149,747 = 2,149,747/x
3. Step 3: Cross multiply
   978,645.50x = 2,149,747 × 2,149,747
4. Step 4: Simplify right side
   978,645.50x = 4,621,412,164,009
5. Step 5: Solve for x
   x = 4,621,412,164,009/978,645.50
6. Step 6: Final answer
   x = 4,722,253.53