Finding the Third Proportional to 19,684.69 and 42,649.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,684.69 : 42,649.88 = 42,649.88 : x
2. Step 2: Convert to fraction form
   19,684.69/42,649.88 = 42,649.88/x
3. Step 3: Cross multiply
   19,684.69x = 42,649.88 × 42,649.88
4. Step 4: Simplify right side
   19,684.69x = 1,819,011,837.52
5. Step 5: Solve for x
   x = 1,819,011,837.52/19,684.69
6. Step 6: Final answer
   x = 92,407.45