Finding the Third Proportional to 40,667.50 and 64,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,667.50 : 64,934.50 = 64,934.50 : x
2. Step 2: Convert to fraction form
   40,667.50/64,934.50 = 64,934.50/x
3. Step 3: Cross multiply
   40,667.50x = 64,934.50 × 64,934.50
4. Step 4: Simplify right side
   40,667.50x = 4,216,489,290.25
5. Step 5: Solve for x
   x = 4,216,489,290.25/40,667.50
6. Step 6: Final answer
   x = 103,682.04