Finding the Third Proportional to 752,920 and 1,131,060

Step by Step Solution

1. Step 1: Write the proportion equation
   752,920 : 1,131,060 = 1,131,060 : x
2. Step 2: Convert to fraction form
   752,920/1,131,060 = 1,131,060/x
3. Step 3: Cross multiply
   752,920x = 1,131,060 × 1,131,060
4. Step 4: Simplify right side
   752,920x = 1,279,296,723,600
5. Step 5: Solve for x
   x = 1,279,296,723,600/752,920
6. Step 6: Final answer
   x = 1,699,113.75