Finding the Third Proportional to 648,530 and 1,030,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   648,530 : 1,030,532.50 = 1,030,532.50 : x
2. Step 2: Convert to fraction form
   648,530/1,030,532.50 = 1,030,532.50/x
3. Step 3: Cross multiply
   648,530x = 1,030,532.50 × 1,030,532.50
4. Step 4: Simplify right side
   648,530x = 1,061,997,233,556.25
5. Step 5: Solve for x
   x = 1,061,997,233,556.25/648,530
6. Step 6: Final answer
   x = 1,637,545.27