Finding the Third Proportional to 19,955.25 and 42,343.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,955.25 : 42,343.88 = 42,343.88 : x
2. Step 2: Convert to fraction form
   19,955.25/42,343.88 = 42,343.88/x
3. Step 3: Cross multiply
   19,955.25x = 42,343.88 × 42,343.88
4. Step 4: Simplify right side
   19,955.25x = 1,793,003,750.02
5. Step 5: Solve for x
   x = 1,793,003,750.02/19,955.25
6. Step 6: Final answer
   x = 89,851.23