Finding the Third Proportional to 31,873.50 and 46,878

Step by Step Solution

1. Step 1: Write the proportion equation
   31,873.50 : 46,878 = 46,878 : x
2. Step 2: Convert to fraction form
   31,873.50/46,878 = 46,878/x
3. Step 3: Cross multiply
   31,873.50x = 46,878 × 46,878
4. Step 4: Simplify right side
   31,873.50x = 2,197,546,884
5. Step 5: Solve for x
   x = 2,197,546,884/31,873.50
6. Step 6: Final answer
   x = 68,945.89