Finding the Third Proportional to 746,872 and 1,131,580

Step by Step Solution

1. Step 1: Write the proportion equation
   746,872 : 1,131,580 = 1,131,580 : x
2. Step 2: Convert to fraction form
   746,872/1,131,580 = 1,131,580/x
3. Step 3: Cross multiply
   746,872x = 1,131,580 × 1,131,580
4. Step 4: Simplify right side
   746,872x = 1,280,473,296,400
5. Step 5: Solve for x
   x = 1,280,473,296,400/746,872
6. Step 6: Final answer
   x = 1,714,448.12