Finding the Third Proportional to 280,293 and 658,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   280,293 : 658,030.50 = 658,030.50 : x
2. Step 2: Convert to fraction form
   280,293/658,030.50 = 658,030.50/x
3. Step 3: Cross multiply
   280,293x = 658,030.50 × 658,030.50
4. Step 4: Simplify right side
   280,293x = 433,004,138,930.25
5. Step 5: Solve for x
   x = 433,004,138,930.25/280,293
6. Step 6: Final answer
   x = 1,544,826.80