Finding the Third Proportional to 303,930 and 703,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,930 : 703,543.50 = 703,543.50 : x
2. Step 2: Convert to fraction form
   303,930/703,543.50 = 703,543.50/x
3. Step 3: Cross multiply
   303,930x = 703,543.50 × 703,543.50
4. Step 4: Simplify right side
   303,930x = 494,973,456,392.25
5. Step 5: Solve for x
   x = 494,973,456,392.25/303,930
6. Step 6: Final answer
   x = 1,628,577.16