Finding the Third Proportional to 254,521.50 and 529,998

Step by Step Solution

1. Step 1: Write the proportion equation
   254,521.50 : 529,998 = 529,998 : x
2. Step 2: Convert to fraction form
   254,521.50/529,998 = 529,998/x
3. Step 3: Cross multiply
   254,521.50x = 529,998 × 529,998
4. Step 4: Simplify right side
   254,521.50x = 280,897,880,004
5. Step 5: Solve for x
   x = 280,897,880,004/254,521.50
6. Step 6: Final answer
   x = 1,103,631.25