Finding the Third Proportional to 303,726 and 613,876.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,726 : 613,876.50 = 613,876.50 : x
2. Step 2: Convert to fraction form
   303,726/613,876.50 = 613,876.50/x
3. Step 3: Cross multiply
   303,726x = 613,876.50 × 613,876.50
4. Step 4: Simplify right side
   303,726x = 376,844,357,252.25
5. Step 5: Solve for x
   x = 376,844,357,252.25/303,726
6. Step 6: Final answer
   x = 1,240,737.89