Finding the Third Proportional to 141,636 and 308,248

Step by Step Solution

1. Step 1: Write the proportion equation
   141,636 : 308,248 = 308,248 : x
2. Step 2: Convert to fraction form
   141,636/308,248 = 308,248/x
3. Step 3: Cross multiply
   141,636x = 308,248 × 308,248
4. Step 4: Simplify right side
   141,636x = 95,016,829,504
5. Step 5: Solve for x
   x = 95,016,829,504/141,636
6. Step 6: Final answer
   x = 670,852.25