Finding the Third Proportional to 143,046.42 and 216,410.91

Step by Step Solution

1. Step 1: Write the proportion equation
   143,046.42 : 216,410.91 = 216,410.91 : x
2. Step 2: Convert to fraction form
   143,046.42/216,410.91 = 216,410.91/x
3. Step 3: Cross multiply
   143,046.42x = 216,410.91 × 216,410.91
4. Step 4: Simplify right side
   143,046.42x = 46,833,680,343.95
5. Step 5: Solve for x
   x = 46,833,680,343.95/143,046.42
6. Step 6: Final answer
   x = 327,401.97