Finding the Third Proportional to 19,664.02 and 42,031.41

Step by Step Solution

1. Step 1: Write the proportion equation
   19,664.02 : 42,031.41 = 42,031.41 : x
2. Step 2: Convert to fraction form
   19,664.02/42,031.41 = 42,031.41/x
3. Step 3: Cross multiply
   19,664.02x = 42,031.41 × 42,031.41
4. Step 4: Simplify right side
   19,664.02x = 1,766,639,111.35
5. Step 5: Solve for x
   x = 1,766,639,111.35/19,664.02
6. Step 6: Final answer
   x = 89,841.22