Finding the Third Proportional to 31,457 and 45,888

Step by Step Solution

1. Step 1: Write the proportion equation
   31,457 : 45,888 = 45,888 : x
2. Step 2: Convert to fraction form
   31,457/45,888 = 45,888/x
3. Step 3: Cross multiply
   31,457x = 45,888 × 45,888
4. Step 4: Simplify right side
   31,457x = 2,105,708,544
5. Step 5: Solve for x
   x = 2,105,708,544/31,457
6. Step 6: Final answer
   x = 66,939.27