Finding the Third Proportional to 303,774 and 703,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,774 : 703,258.50 = 703,258.50 : x
2. Step 2: Convert to fraction form
   303,774/703,258.50 = 703,258.50/x
3. Step 3: Cross multiply
   303,774x = 703,258.50 × 703,258.50
4. Step 4: Simplify right side
   303,774x = 494,572,517,822.25
5. Step 5: Solve for x
   x = 494,572,517,822.25/303,774
6. Step 6: Final answer
   x = 1,628,093.64