Finding the Third Proportional to 487,410.50 and 757,696

Step by Step Solution

1. Step 1: Write the proportion equation
   487,410.50 : 757,696 = 757,696 : x
2. Step 2: Convert to fraction form
   487,410.50/757,696 = 757,696/x
3. Step 3: Cross multiply
   487,410.50x = 757,696 × 757,696
4. Step 4: Simplify right side
   487,410.50x = 574,103,228,416
5. Step 5: Solve for x
   x = 574,103,228,416/487,410.50
6. Step 6: Final answer
   x = 1,177,863.89