Finding the Third Proportional to 115,621 and 250,896.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,621 : 250,896.50 = 250,896.50 : x
2. Step 2: Convert to fraction form
   115,621/250,896.50 = 250,896.50/x
3. Step 3: Cross multiply
   115,621x = 250,896.50 × 250,896.50
4. Step 4: Simplify right side
   115,621x = 62,949,053,712.25
5. Step 5: Solve for x
   x = 62,949,053,712.25/115,621
6. Step 6: Final answer
   x = 544,443.08