Finding the Third Proportional to 31,108 and 46,820

Step by Step Solution

1. Step 1: Write the proportion equation
   31,108 : 46,820 = 46,820 : x
2. Step 2: Convert to fraction form
   31,108/46,820 = 46,820/x
3. Step 3: Cross multiply
   31,108x = 46,820 × 46,820
4. Step 4: Simplify right side
   31,108x = 2,192,112,400
5. Step 5: Solve for x
   x = 2,192,112,400/31,108
6. Step 6: Final answer
   x = 70,467.80