Finding the Third Proportional to 19,591.88 and 42,859.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,591.88 : 42,859.13 = 42,859.13 : x
2. Step 2: Convert to fraction form
   19,591.88/42,859.13 = 42,859.13/x
3. Step 3: Cross multiply
   19,591.88x = 42,859.13 × 42,859.13
4. Step 4: Simplify right side
   19,591.88x = 1,836,904,595.77
5. Step 5: Solve for x
   x = 1,836,904,595.77/19,591.88
6. Step 6: Final answer
   x = 93,758.49