Finding the Third Proportional to 141,858 and 308,916

Step by Step Solution

1. Step 1: Write the proportion equation
   141,858 : 308,916 = 308,916 : x
2. Step 2: Convert to fraction form
   141,858/308,916 = 308,916/x
3. Step 3: Cross multiply
   141,858x = 308,916 × 308,916
4. Step 4: Simplify right side
   141,858x = 95,429,095,056
5. Step 5: Solve for x
   x = 95,429,095,056/141,858
6. Step 6: Final answer
   x = 672,708.59