Finding the Third Proportional to 587,515 and 792,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   587,515 : 792,697.50 = 792,697.50 : x
2. Step 2: Convert to fraction form
   587,515/792,697.50 = 792,697.50/x
3. Step 3: Cross multiply
   587,515x = 792,697.50 × 792,697.50
4. Step 4: Simplify right side
   587,515x = 628,369,326,506.25
5. Step 5: Solve for x
   x = 628,369,326,506.25/587,515
6. Step 6: Final answer
   x = 1,069,537.50