Finding the Third Proportional to 31,108 and 46,158

Step by Step Solution

1. Step 1: Write the proportion equation
   31,108 : 46,158 = 46,158 : x
2. Step 2: Convert to fraction form
   31,108/46,158 = 46,158/x
3. Step 3: Cross multiply
   31,108x = 46,158 × 46,158
4. Step 4: Simplify right side
   31,108x = 2,130,560,964
5. Step 5: Solve for x
   x = 2,130,560,964/31,108
6. Step 6: Final answer
   x = 68,489.17