Finding the Third Proportional to 27,189 and 42,349.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,189 : 42,349.50 = 42,349.50 : x
2. Step 2: Convert to fraction form
   27,189/42,349.50 = 42,349.50/x
3. Step 3: Cross multiply
   27,189x = 42,349.50 × 42,349.50
4. Step 4: Simplify right side
   27,189x = 1,793,480,150.25
5. Step 5: Solve for x
   x = 1,793,480,150.25/27,189
6. Step 6: Final answer
   x = 65,963.45