Finding the Third Proportional to 245,369.25 and 526,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,369.25 : 526,216.50 = 526,216.50 : x
2. Step 2: Convert to fraction form
   245,369.25/526,216.50 = 526,216.50/x
3. Step 3: Cross multiply
   245,369.25x = 526,216.50 × 526,216.50
4. Step 4: Simplify right side
   245,369.25x = 276,903,804,872.25
5. Step 5: Solve for x
   x = 276,903,804,872.25/245,369.25
6. Step 6: Final answer
   x = 1,128,518.77