Finding the Third Proportional to 488,072 and 1,140,248

Step by Step Solution

1. Step 1: Write the proportion equation
   488,072 : 1,140,248 = 1,140,248 : x
2. Step 2: Convert to fraction form
   488,072/1,140,248 = 1,140,248/x
3. Step 3: Cross multiply
   488,072x = 1,140,248 × 1,140,248
4. Step 4: Simplify right side
   488,072x = 1,300,165,501,504
5. Step 5: Solve for x
   x = 1,300,165,501,504/488,072
6. Step 6: Final answer
   x = 2,663,880.54