Finding the Third Proportional to 141,080 and 308,392

Step by Step Solution

1. Step 1: Write the proportion equation
   141,080 : 308,392 = 308,392 : x
2. Step 2: Convert to fraction form
   141,080/308,392 = 308,392/x
3. Step 3: Cross multiply
   141,080x = 308,392 × 308,392
4. Step 4: Simplify right side
   141,080x = 95,105,625,664
5. Step 5: Solve for x
   x = 95,105,625,664/141,080
6. Step 6: Final answer
   x = 674,125.50