Finding the Third Proportional to 64,487.50 and 86,007

Step by Step Solution

1. Step 1: Write the proportion equation
   64,487.50 : 86,007 = 86,007 : x
2. Step 2: Convert to fraction form
   64,487.50/86,007 = 86,007/x
3. Step 3: Cross multiply
   64,487.50x = 86,007 × 86,007
4. Step 4: Simplify right side
   64,487.50x = 7,397,204,049
5. Step 5: Solve for x
   x = 7,397,204,049/64,487.50
6. Step 6: Final answer
   x = 114,707.56