Finding the Third Proportional to 488,144 and 1,051,220

Step by Step Solution

1. Step 1: Write the proportion equation
   488,144 : 1,051,220 = 1,051,220 : x
2. Step 2: Convert to fraction form
   488,144/1,051,220 = 1,051,220/x
3. Step 3: Cross multiply
   488,144x = 1,051,220 × 1,051,220
4. Step 4: Simplify right side
   488,144x = 1,105,063,488,400
5. Step 5: Solve for x
   x = 1,105,063,488,400/488,144
6. Step 6: Final answer
   x = 2,263,806.35