Finding the Third Proportional to 264,798 and 583,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,798 : 583,042.50 = 583,042.50 : x
2. Step 2: Convert to fraction form
   264,798/583,042.50 = 583,042.50/x
3. Step 3: Cross multiply
   264,798x = 583,042.50 × 583,042.50
4. Step 4: Simplify right side
   264,798x = 339,938,556,806.25
5. Step 5: Solve for x
   x = 339,938,556,806.25/264,798
6. Step 6: Final answer
   x = 1,283,765.58