Finding the Third Proportional to 145,098 and 307,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,098 : 307,813.50 = 307,813.50 : x
2. Step 2: Convert to fraction form
   145,098/307,813.50 = 307,813.50/x
3. Step 3: Cross multiply
   145,098x = 307,813.50 × 307,813.50
4. Step 4: Simplify right side
   145,098x = 94,749,150,782.25
5. Step 5: Solve for x
   x = 94,749,150,782.25/145,098
6. Step 6: Final answer
   x = 653,001.08