Finding the Third Proportional to 20,116.69 and 42,904.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,116.69 : 42,904.69 = 42,904.69 : x
2. Step 2: Convert to fraction form
   20,116.69/42,904.69 = 42,904.69/x
3. Step 3: Cross multiply
   20,116.69x = 42,904.69 × 42,904.69
4. Step 4: Simplify right side
   20,116.69x = 1,840,812,209.47
5. Step 5: Solve for x
   x = 1,840,812,209.47/20,116.69
6. Step 6: Final answer
   x = 91,506.73