Finding the Third Proportional to 303,948 and 703,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,948 : 703,642.50 = 703,642.50 : x
2. Step 2: Convert to fraction form
   303,948/703,642.50 = 703,642.50/x
3. Step 3: Cross multiply
   303,948x = 703,642.50 × 703,642.50
4. Step 4: Simplify right side
   303,948x = 495,112,767,806.25
5. Step 5: Solve for x
   x = 495,112,767,806.25/303,948
6. Step 6: Final answer
   x = 1,628,939.05