Finding the Third Proportional to 281,940 and 607,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,940 : 607,891.50 = 607,891.50 : x
2. Step 2: Convert to fraction form
   281,940/607,891.50 = 607,891.50/x
3. Step 3: Cross multiply
   281,940x = 607,891.50 × 607,891.50
4. Step 4: Simplify right side
   281,940x = 369,532,075,772.25
5. Step 5: Solve for x
   x = 369,532,075,772.25/281,940
6. Step 6: Final answer
   x = 1,310,676.30