Finding the Third Proportional to 27,609.75 and 42,994.13

Step by Step Solution

1. Step 1: Write the proportion equation
   27,609.75 : 42,994.13 = 42,994.13 : x
2. Step 2: Convert to fraction form
   27,609.75/42,994.13 = 42,994.13/x
3. Step 3: Cross multiply
   27,609.75x = 42,994.13 × 42,994.13
4. Step 4: Simplify right side
   27,609.75x = 1,848,494,784.52
5. Step 5: Solve for x
   x = 1,848,494,784.52/27,609.75
6. Step 6: Final answer
   x = 66,950.80