Finding the Third Proportional to 40,643.17 and 64,727.94

Step by Step Solution

1. Step 1: Write the proportion equation
   40,643.17 : 64,727.94 = 64,727.94 : x
2. Step 2: Convert to fraction form
   40,643.17/64,727.94 = 64,727.94/x
3. Step 3: Cross multiply
   40,643.17x = 64,727.94 × 64,727.94
4. Step 4: Simplify right side
   40,643.17x = 4,189,706,019.43
5. Step 5: Solve for x
   x = 4,189,706,019.43/40,643.17
6. Step 6: Final answer
   x = 103,085.11