Finding the Third Proportional to 245,854.50 and 536,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,854.50 : 536,389.50 = 536,389.50 : x
2. Step 2: Convert to fraction form
   245,854.50/536,389.50 = 536,389.50/x
3. Step 3: Cross multiply
   245,854.50x = 536,389.50 × 536,389.50
4. Step 4: Simplify right side
   245,854.50x = 287,713,695,710.25
5. Step 5: Solve for x
   x = 287,713,695,710.25/245,854.50
6. Step 6: Final answer
   x = 1,170,260.03