Finding the Third Proportional to 141,500 and 308,272

Step by Step Solution

1. Step 1: Write the proportion equation
   141,500 : 308,272 = 308,272 : x
2. Step 2: Convert to fraction form
   141,500/308,272 = 308,272/x
3. Step 3: Cross multiply
   141,500x = 308,272 × 308,272
4. Step 4: Simplify right side
   141,500x = 95,031,625,984
5. Step 5: Solve for x
   x = 95,031,625,984/141,500
6. Step 6: Final answer
   x = 671,601.60