Finding the Third Proportional to 19,620 and 42,948

Step by Step Solution

1. Step 1: Write the proportion equation
   19,620 : 42,948 = 42,948 : x
2. Step 2: Convert to fraction form
   19,620/42,948 = 42,948/x
3. Step 3: Cross multiply
   19,620x = 42,948 × 42,948
4. Step 4: Simplify right side
   19,620x = 1,844,530,704
5. Step 5: Solve for x
   x = 1,844,530,704/19,620
6. Step 6: Final answer
   x = 94,012.78