Finding the Third Proportional to 20,103.61 and 42,968.11

Step by Step Solution

1. Step 1: Write the proportion equation
   20,103.61 : 42,968.11 = 42,968.11 : x
2. Step 2: Convert to fraction form
   20,103.61/42,968.11 = 42,968.11/x
3. Step 3: Cross multiply
   20,103.61x = 42,968.11 × 42,968.11
4. Step 4: Simplify right side
   20,103.61x = 1,846,258,423.26
5. Step 5: Solve for x
   x = 1,846,258,423.26/20,103.61
6. Step 6: Final answer
   x = 91,837.16