Finding the Third Proportional to 19,615.92 and 42,965.44

Step by Step Solution

1. Step 1: Write the proportion equation
   19,615.92 : 42,965.44 = 42,965.44 : x
2. Step 2: Convert to fraction form
   19,615.92/42,965.44 = 42,965.44/x
3. Step 3: Cross multiply
   19,615.92x = 42,965.44 × 42,965.44
4. Step 4: Simplify right side
   19,615.92x = 1,846,028,819.57
5. Step 5: Solve for x
   x = 1,846,028,819.57/19,615.92
6. Step 6: Final answer
   x = 94,108.70