Finding the Third Proportional to 64,369.69 and 85,110.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,369.69 : 85,110.75 = 85,110.75 : x
2. Step 2: Convert to fraction form
   64,369.69/85,110.75 = 85,110.75/x
3. Step 3: Cross multiply
   64,369.69x = 85,110.75 × 85,110.75
4. Step 4: Simplify right side
   64,369.69x = 7,243,839,765.56
5. Step 5: Solve for x
   x = 7,243,839,765.56/64,369.69
6. Step 6: Final answer
   x = 112,534.95