Finding the Third Proportional to 45,679.50 and 68,302.69

Step by Step Solution

1. Step 1: Write the proportion equation
   45,679.50 : 68,302.69 = 68,302.69 : x
2. Step 2: Convert to fraction form
   45,679.50/68,302.69 = 68,302.69/x
3. Step 3: Cross multiply
   45,679.50x = 68,302.69 × 68,302.69
4. Step 4: Simplify right side
   45,679.50x = 4,665,257,119.72
5. Step 5: Solve for x
   x = 4,665,257,119.72/45,679.50
6. Step 6: Final answer
   x = 102,130.21