Finding the Third Proportional to 31,320 and 42,948

Step by Step Solution

1. Step 1: Write the proportion equation
   31,320 : 42,948 = 42,948 : x
2. Step 2: Convert to fraction form
   31,320/42,948 = 42,948/x
3. Step 3: Cross multiply
   31,320x = 42,948 × 42,948
4. Step 4: Simplify right side
   31,320x = 1,844,530,704
5. Step 5: Solve for x
   x = 1,844,530,704/31,320
6. Step 6: Final answer
   x = 58,893.06