Finding the Third Proportional to 30,868.50 and 46,120

Step by Step Solution

1. Step 1: Write the proportion equation
   30,868.50 : 46,120 = 46,120 : x
2. Step 2: Convert to fraction form
   30,868.50/46,120 = 46,120/x
3. Step 3: Cross multiply
   30,868.50x = 46,120 × 46,120
4. Step 4: Simplify right side
   30,868.50x = 2,127,054,400
5. Step 5: Solve for x
   x = 2,127,054,400/30,868.50
6. Step 6: Final answer
   x = 68,906.96