Finding the Third Proportional to 19,356.75 and 42,403.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,356.75 : 42,403.88 = 42,403.88 : x
2. Step 2: Convert to fraction form
   19,356.75/42,403.88 = 42,403.88/x
3. Step 3: Cross multiply
   19,356.75x = 42,403.88 × 42,403.88
4. Step 4: Simplify right side
   19,356.75x = 1,798,088,615.02
5. Step 5: Solve for x
   x = 1,798,088,615.02/19,356.75
6. Step 6: Final answer
   x = 92,892.07