Finding the Third Proportional to 505,314 and 757,975.50

Step by Step Solution

1. Step 1: Write the proportion equation
   505,314 : 757,975.50 = 757,975.50 : x
2. Step 2: Convert to fraction form
   505,314/757,975.50 = 757,975.50/x
3. Step 3: Cross multiply
   505,314x = 757,975.50 × 757,975.50
4. Step 4: Simplify right side
   505,314x = 574,526,858,600.25
5. Step 5: Solve for x
   x = 574,526,858,600.25/505,314
6. Step 6: Final answer
   x = 1,136,970.00