Finding the Third Proportional to 19,996.88 and 42,909.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,996.88 : 42,909.75 = 42,909.75 : x
2. Step 2: Convert to fraction form
   19,996.88/42,909.75 = 42,909.75/x
3. Step 3: Cross multiply
   19,996.88x = 42,909.75 × 42,909.75
4. Step 4: Simplify right side
   19,996.88x = 1,841,246,645.06
5. Step 5: Solve for x
   x = 1,841,246,645.06/19,996.88
6. Step 6: Final answer
   x = 92,076.72