Finding the Third Proportional to 281,380.50 and 616,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,380.50 : 616,126.50 = 616,126.50 : x
2. Step 2: Convert to fraction form
   281,380.50/616,126.50 = 616,126.50/x
3. Step 3: Cross multiply
   281,380.50x = 616,126.50 × 616,126.50
4. Step 4: Simplify right side
   281,380.50x = 379,611,864,002.25
5. Step 5: Solve for x
   x = 379,611,864,002.25/281,380.50
6. Step 6: Final answer
   x = 1,349,105.09