Finding the Third Proportional to 141,493.50 and 308,259

Step by Step Solution

1. Step 1: Write the proportion equation
   141,493.50 : 308,259 = 308,259 : x
2. Step 2: Convert to fraction form
   141,493.50/308,259 = 308,259/x
3. Step 3: Cross multiply
   141,493.50x = 308,259 × 308,259
4. Step 4: Simplify right side
   141,493.50x = 95,023,611,081
5. Step 5: Solve for x
   x = 95,023,611,081/141,493.50
6. Step 6: Final answer
   x = 671,575.80