Finding the Third Proportional to 31,212 and 46,818

Step by Step Solution

1. Step 1: Write the proportion equation
   31,212 : 46,818 = 46,818 : x
2. Step 2: Convert to fraction form
   31,212/46,818 = 46,818/x
3. Step 3: Cross multiply
   31,212x = 46,818 × 46,818
4. Step 4: Simplify right side
   31,212x = 2,191,925,124
5. Step 5: Solve for x
   x = 2,191,925,124/31,212
6. Step 6: Final answer
   x = 70,227