Finding the Third Proportional to 490,792.50 and 1,038,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   490,792.50 : 1,038,172.50 = 1,038,172.50 : x
2. Step 2: Convert to fraction form
   490,792.50/1,038,172.50 = 1,038,172.50/x
3. Step 3: Cross multiply
   490,792.50x = 1,038,172.50 × 1,038,172.50
4. Step 4: Simplify right side
   490,792.50x = 1,077,802,139,756.25
5. Step 5: Solve for x
   x = 1,077,802,139,756.25/490,792.50
6. Step 6: Final answer
   x = 2,196,044.44