Finding the Third Proportional to 27,605 and 43,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,605 : 43,047.50 = 43,047.50 : x
2. Step 2: Convert to fraction form
   27,605/43,047.50 = 43,047.50/x
3. Step 3: Cross multiply
   27,605x = 43,047.50 × 43,047.50
4. Step 4: Simplify right side
   27,605x = 1,853,087,256.25
5. Step 5: Solve for x
   x = 1,853,087,256.25/27,605
6. Step 6: Final answer
   x = 67,128.68