Finding the Third Proportional to 281,944.50 and 607,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,944.50 : 607,900.50 = 607,900.50 : x
2. Step 2: Convert to fraction form
   281,944.50/607,900.50 = 607,900.50/x
3. Step 3: Cross multiply
   281,944.50x = 607,900.50 × 607,900.50
4. Step 4: Simplify right side
   281,944.50x = 369,543,017,900.25
5. Step 5: Solve for x
   x = 369,543,017,900.25/281,944.50
6. Step 6: Final answer
   x = 1,310,694.19