Finding the Third Proportional to 490,800 and 1,038,188

Step by Step Solution

1. Step 1: Write the proportion equation
   490,800 : 1,038,188 = 1,038,188 : x
2. Step 2: Convert to fraction form
   490,800/1,038,188 = 1,038,188/x
3. Step 3: Cross multiply
   490,800x = 1,038,188 × 1,038,188
4. Step 4: Simplify right side
   490,800x = 1,077,834,323,344
5. Step 5: Solve for x
   x = 1,077,834,323,344/490,800
6. Step 6: Final answer
   x = 2,196,076.45