Finding the Third Proportional to 115,906.50 and 253,955.25

Step by Step Solution

1. Step 1: Write the proportion equation
   115,906.50 : 253,955.25 = 253,955.25 : x
2. Step 2: Convert to fraction form
   115,906.50/253,955.25 = 253,955.25/x
3. Step 3: Cross multiply
   115,906.50x = 253,955.25 × 253,955.25
4. Step 4: Simplify right side
   115,906.50x = 64,493,269,002.56
5. Step 5: Solve for x
   x = 64,493,269,002.56/115,906.50
6. Step 6: Final answer
   x = 556,424.95