Finding the Third Proportional to 141,493 and 308,258

Step by Step Solution

1. Step 1: Write the proportion equation
   141,493 : 308,258 = 308,258 : x
2. Step 2: Convert to fraction form
   141,493/308,258 = 308,258/x
3. Step 3: Cross multiply
   141,493x = 308,258 × 308,258
4. Step 4: Simplify right side
   141,493x = 95,022,994,564
5. Step 5: Solve for x
   x = 95,022,994,564/141,493
6. Step 6: Final answer
   x = 671,573.82