Finding the Third Proportional to 19,932.50 and 42,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,932.50 : 42,294.50 = 42,294.50 : x
2. Step 2: Convert to fraction form
   19,932.50/42,294.50 = 42,294.50/x
3. Step 3: Cross multiply
   19,932.50x = 42,294.50 × 42,294.50
4. Step 4: Simplify right side
   19,932.50x = 1,788,824,730.25
5. Step 5: Solve for x
   x = 1,788,824,730.25/19,932.50
6. Step 6: Final answer
   x = 89,744.12