Finding the Third Proportional to 490,790 and 1,038,168

Step by Step Solution

1. Step 1: Write the proportion equation
   490,790 : 1,038,168 = 1,038,168 : x
2. Step 2: Convert to fraction form
   490,790/1,038,168 = 1,038,168/x
3. Step 3: Cross multiply
   490,790x = 1,038,168 × 1,038,168
4. Step 4: Simplify right side
   490,790x = 1,077,792,796,224
5. Step 5: Solve for x
   x = 1,077,792,796,224/490,790
6. Step 6: Final answer
   x = 2,196,036.59