Finding the Third Proportional to 254,107.50 and 552,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,107.50 : 552,499.50 = 552,499.50 : x
2. Step 2: Convert to fraction form
   254,107.50/552,499.50 = 552,499.50/x
3. Step 3: Cross multiply
   254,107.50x = 552,499.50 × 552,499.50
4. Step 4: Simplify right side
   254,107.50x = 305,255,697,500.25
5. Step 5: Solve for x
   x = 305,255,697,500.25/254,107.50
6. Step 6: Final answer
   x = 1,201,285.67