Finding the Third Proportional to 143,301 and 303,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,301 : 303,670.50 = 303,670.50 : x
2. Step 2: Convert to fraction form
   143,301/303,670.50 = 303,670.50/x
3. Step 3: Cross multiply
   143,301x = 303,670.50 × 303,670.50
4. Step 4: Simplify right side
   143,301x = 92,215,772,570.25
5. Step 5: Solve for x
   x = 92,215,772,570.25/143,301
6. Step 6: Final answer
   x = 643,511.02