Finding the Third Proportional to 113,278.50 and 264,566.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,278.50 : 264,566.25 = 264,566.25 : x
2. Step 2: Convert to fraction form
   113,278.50/264,566.25 = 264,566.25/x
3. Step 3: Cross multiply
   113,278.50x = 264,566.25 × 264,566.25
4. Step 4: Simplify right side
   113,278.50x = 69,995,300,639.06
5. Step 5: Solve for x
   x = 69,995,300,639.06/113,278.50
6. Step 6: Final answer
   x = 617,904.55