Finding the Third Proportional to 528,012 and 817,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   528,012 : 817,951.50 = 817,951.50 : x
2. Step 2: Convert to fraction form
   528,012/817,951.50 = 817,951.50/x
3. Step 3: Cross multiply
   528,012x = 817,951.50 × 817,951.50
4. Step 4: Simplify right side
   528,012x = 669,044,656,352.25
5. Step 5: Solve for x
   x = 669,044,656,352.25/528,012
6. Step 6: Final answer
   x = 1,267,101.23