Finding the Third Proportional to 220,108 and 314,826

Step by Step Solution

1. Step 1: Write the proportion equation
   220,108 : 314,826 = 314,826 : x
2. Step 2: Convert to fraction form
   220,108/314,826 = 314,826/x
3. Step 3: Cross multiply
   220,108x = 314,826 × 314,826
4. Step 4: Simplify right side
   220,108x = 99,115,410,276
5. Step 5: Solve for x
   x = 99,115,410,276/220,108
6. Step 6: Final answer
   x = 450,303.53