Finding the Third Proportional to 554,890.50 and 1,212,516

Step by Step Solution

1. Step 1: Write the proportion equation
   554,890.50 : 1,212,516 = 1,212,516 : x
2. Step 2: Convert to fraction form
   554,890.50/1,212,516 = 1,212,516/x
3. Step 3: Cross multiply
   554,890.50x = 1,212,516 × 1,212,516
4. Step 4: Simplify right side
   554,890.50x = 1,470,195,050,256
5. Step 5: Solve for x
   x = 1,470,195,050,256/554,890.50
6. Step 6: Final answer
   x = 2,649,522.83