Finding the Third Proportional to 146,701.50 and 215,880

Step by Step Solution

1. Step 1: Write the proportion equation
   146,701.50 : 215,880 = 215,880 : x
2. Step 2: Convert to fraction form
   146,701.50/215,880 = 215,880/x
3. Step 3: Cross multiply
   146,701.50x = 215,880 × 215,880
4. Step 4: Simplify right side
   146,701.50x = 46,604,174,400
5. Step 5: Solve for x
   x = 46,604,174,400/146,701.50
6. Step 6: Final answer
   x = 317,680.29