Finding the Third Proportional to 391,536 and 751,960

Step by Step Solution

1. Step 1: Write the proportion equation
   391,536 : 751,960 = 751,960 : x
2. Step 2: Convert to fraction form
   391,536/751,960 = 751,960/x
3. Step 3: Cross multiply
   391,536x = 751,960 × 751,960
4. Step 4: Simplify right side
   391,536x = 565,443,841,600
5. Step 5: Solve for x
   x = 565,443,841,600/391,536
6. Step 6: Final answer
   x = 1,444,168.20