Finding the Third Proportional to 505,450.75 and 758,414

Step by Step Solution

1. Step 1: Write the proportion equation
   505,450.75 : 758,414 = 758,414 : x
2. Step 2: Convert to fraction form
   505,450.75/758,414 = 758,414/x
3. Step 3: Cross multiply
   505,450.75x = 758,414 × 758,414
4. Step 4: Simplify right side
   505,450.75x = 575,191,795,396
5. Step 5: Solve for x
   x = 575,191,795,396/505,450.75
6. Step 6: Final answer
   x = 1,137,977.92