Finding the Third Proportional to 19,560 and 42,765

Step by Step Solution

1. Step 1: Write the proportion equation
   19,560 : 42,765 = 42,765 : x
2. Step 2: Convert to fraction form
   19,560/42,765 = 42,765/x
3. Step 3: Cross multiply
   19,560x = 42,765 × 42,765
4. Step 4: Simplify right side
   19,560x = 1,828,845,225
5. Step 5: Solve for x
   x = 1,828,845,225/19,560
6. Step 6: Final answer
   x = 93,499.24