Finding the Third Proportional to 42,253.75 and 64,952.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,253.75 : 64,952.75 = 64,952.75 : x
2. Step 2: Convert to fraction form
   42,253.75/64,952.75 = 64,952.75/x
3. Step 3: Cross multiply
   42,253.75x = 64,952.75 × 64,952.75
4. Step 4: Simplify right side
   42,253.75x = 4,218,859,732.56
5. Step 5: Solve for x
   x = 4,218,859,732.56/42,253.75
6. Step 6: Final answer
   x = 99,845.81