Finding the Third Proportional to 250,709.25 and 536,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,709.25 : 536,410.50 = 536,410.50 : x
2. Step 2: Convert to fraction form
   250,709.25/536,410.50 = 536,410.50/x
3. Step 3: Cross multiply
   250,709.25x = 536,410.50 × 536,410.50
4. Step 4: Simplify right side
   250,709.25x = 287,736,224,510.25
5. Step 5: Solve for x
   x = 287,736,224,510.25/250,709.25
6. Step 6: Final answer
   x = 1,147,688.90