Finding the Third Proportional to 145,187 and 308,003

Step by Step Solution

1. Step 1: Write the proportion equation
   145,187 : 308,003 = 308,003 : x
2. Step 2: Convert to fraction form
   145,187/308,003 = 308,003/x
3. Step 3: Cross multiply
   145,187x = 308,003 × 308,003
4. Step 4: Simplify right side
   145,187x = 94,865,848,009
5. Step 5: Solve for x
   x = 94,865,848,009/145,187
6. Step 6: Final answer
   x = 653,404.56