Finding the Third Proportional to 30,658 and 56,940

Step by Step Solution

1. Step 1: Write the proportion equation
   30,658 : 56,940 = 56,940 : x
2. Step 2: Convert to fraction form
   30,658/56,940 = 56,940/x
3. Step 3: Cross multiply
   30,658x = 56,940 × 56,940
4. Step 4: Simplify right side
   30,658x = 3,242,163,600
5. Step 5: Solve for x
   x = 3,242,163,600/30,658
6. Step 6: Final answer
   x = 105,752.61