Finding the Third Proportional to 42,707.25 and 64,045.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,707.25 : 64,045.69 = 64,045.69 : x
2. Step 2: Convert to fraction form
   42,707.25/64,045.69 = 64,045.69/x
3. Step 3: Cross multiply
   42,707.25x = 64,045.69 × 64,045.69
4. Step 4: Simplify right side
   42,707.25x = 4,101,850,087.35
5. Step 5: Solve for x
   x = 4,101,850,087.35/42,707.25
6. Step 6: Final answer
   x = 96,045.76