Finding the Third Proportional to 19,649.30 and 42,411.09

Step by Step Solution

1. Step 1: Write the proportion equation
   19,649.30 : 42,411.09 = 42,411.09 : x
2. Step 2: Convert to fraction form
   19,649.30/42,411.09 = 42,411.09/x
3. Step 3: Cross multiply
   19,649.30x = 42,411.09 × 42,411.09
4. Step 4: Simplify right side
   19,649.30x = 1,798,700,873.07
5. Step 5: Solve for x
   x = 1,798,700,873.07/19,649.30
6. Step 6: Final answer
   x = 91,540.19