Finding the Third Proportional to 141,296 and 308,840

Step by Step Solution

1. Step 1: Write the proportion equation
   141,296 : 308,840 = 308,840 : x
2. Step 2: Convert to fraction form
   141,296/308,840 = 308,840/x
3. Step 3: Cross multiply
   141,296x = 308,840 × 308,840
4. Step 4: Simplify right side
   141,296x = 95,382,145,600
5. Step 5: Solve for x
   x = 95,382,145,600/141,296
6. Step 6: Final answer
   x = 675,051.99