Finding the Third Proportional to 19,699.88 and 29,958.19

Step by Step Solution

1. Step 1: Write the proportion equation
   19,699.88 : 29,958.19 = 29,958.19 : x
2. Step 2: Convert to fraction form
   19,699.88/29,958.19 = 29,958.19/x
3. Step 3: Cross multiply
   19,699.88x = 29,958.19 × 29,958.19
4. Step 4: Simplify right side
   19,699.88x = 897,492,998.29
5. Step 5: Solve for x
   x = 897,492,998.29/19,699.88
6. Step 6: Final answer
   x = 45,558.31