Finding the Third Proportional to 245,435.06 and 513,216

Step by Step Solution

1. Step 1: Write the proportion equation
   245,435.06 : 513,216 = 513,216 : x
2. Step 2: Convert to fraction form
   245,435.06/513,216 = 513,216/x
3. Step 3: Cross multiply
   245,435.06x = 513,216 × 513,216
4. Step 4: Simplify right side
   245,435.06x = 263,390,662,656
5. Step 5: Solve for x
   x = 263,390,662,656/245,435.06
6. Step 6: Final answer
   x = 1,073,158.25