Finding the Third Proportional to 64,692.75 and 89,082.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,692.75 : 89,082.75 = 89,082.75 : x
2. Step 2: Convert to fraction form
   64,692.75/89,082.75 = 89,082.75/x
3. Step 3: Cross multiply
   64,692.75x = 89,082.75 × 89,082.75
4. Step 4: Simplify right side
   64,692.75x = 7,935,736,347.56
5. Step 5: Solve for x
   x = 7,935,736,347.56/64,692.75
6. Step 6: Final answer
   x = 122,668.09