Finding the Third Proportional to 40,736.25 and 64,820.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,736.25 : 64,820.25 = 64,820.25 : x
2. Step 2: Convert to fraction form
   40,736.25/64,820.25 = 64,820.25/x
3. Step 3: Cross multiply
   40,736.25x = 64,820.25 × 64,820.25
4. Step 4: Simplify right side
   40,736.25x = 4,201,664,810.06
5. Step 5: Solve for x
   x = 4,201,664,810.06/40,736.25
6. Step 6: Final answer
   x = 103,143.14