Finding the Third Proportional to 488,640 and 1,051,152

Step by Step Solution

1. Step 1: Write the proportion equation
   488,640 : 1,051,152 = 1,051,152 : x
2. Step 2: Convert to fraction form
   488,640/1,051,152 = 1,051,152/x
3. Step 3: Cross multiply
   488,640x = 1,051,152 × 1,051,152
4. Step 4: Simplify right side
   488,640x = 1,104,920,527,104
5. Step 5: Solve for x
   x = 1,104,920,527,104/488,640
6. Step 6: Final answer
   x = 2,261,215.88