Finding the Third Proportional to 587,717 and 872,935.50

Step by Step Solution

1. Step 1: Write the proportion equation
   587,717 : 872,935.50 = 872,935.50 : x
2. Step 2: Convert to fraction form
   587,717/872,935.50 = 872,935.50/x
3. Step 3: Cross multiply
   587,717x = 872,935.50 × 872,935.50
4. Step 4: Simplify right side
   587,717x = 762,016,387,160.25
5. Step 5: Solve for x
   x = 762,016,387,160.25/587,717
6. Step 6: Final answer
   x = 1,296,570.27