Finding the Third Proportional to 254,665 and 530,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,665 : 530,258.50 = 530,258.50 : x
2. Step 2: Convert to fraction form
   254,665/530,258.50 = 530,258.50/x
3. Step 3: Cross multiply
   254,665x = 530,258.50 × 530,258.50
4. Step 4: Simplify right side
   254,665x = 281,174,076,822.25
5. Step 5: Solve for x
   x = 281,174,076,822.25/254,665
6. Step 6: Final answer
   x = 1,104,093.91