Finding the Third Proportional to 490,818 and 1,038,216

Step by Step Solution

1. Step 1: Write the proportion equation
   490,818 : 1,038,216 = 1,038,216 : x
2. Step 2: Convert to fraction form
   490,818/1,038,216 = 1,038,216/x
3. Step 3: Cross multiply
   490,818x = 1,038,216 × 1,038,216
4. Step 4: Simplify right side
   490,818x = 1,077,892,462,656
5. Step 5: Solve for x
   x = 1,077,892,462,656/490,818
6. Step 6: Final answer
   x = 2,196,114.37